15 Best Bike Under 400 For Your Amazing Adventures In 2021

You love the environment? You love sports and are looking for an effective way to exercise without worrying about the cost? Let’s experience cycling once in your life. However, in order to enjoy the safest and fullest cycling experience, you should prioritize the best bike under 400.

In the review below, we will present you 15 best bikes under 400. These bikes are selected from our team of experts so it will help you choose the best and most affordable one.

** Below, you will find our detailed reviews of the Best Bike Under 400, but you can also click these following links to see current prices or read customer reviews on Amazon.

Bestseller No. 1
Huffy Stone Mountain Hardtail Mountain Bike, 24 Inch, 21-Speed, Lightweight, Gloss Red (74808)
  • With a gloss red hardtail frame and 21 speeds to conquer the trails, the Huffy Stone Mountain is ready for outdoor adventures
  • An Amazon exclusive: Ideal for ages 12-19 and a rider height of 58-70 inches; durable steel frame is backed by our limited lifetime warranty (see owner's manual for details); Kolo 1200 suspension fork handles bumps and dips for a smoother-feeling ride
  • The indexed Shimano TZ-31 rear derailleur combines with the micro-shift twist shifter to deliver 21 speeds on-demand for uphill climbing, downhill riding, or pure acceleration; removable rear derailleur guard ensures consistent gear operation
  • 24" x 1.95" knobby tires tear into bike paths with ease; linear pull hand brakes deliver consistent stopping action; premium padded ATB saddle has stitched sides for lasting quality; alloy quick release provides easy seat height adjustment
  • Slight-rise handlebar enables upright riding to minimize back and shoulder strain; ATB-type resin pedals on the 3-piece Kolo crank have responsive feel; Kraton grips are comfortable to the touch; alloy wheels in matte black; kickstand included
Bestseller No. 2
Best Bike for Sale – Cheap Prices bike sale buy
  • Prevalent Bike Brands
  • Mahindra
  • Bajaj
  • Yamaha
  • Saint
SaleBestseller No. 5
Schwinn High Timber Youth/Adult Mountain Bike, Steel Frame, 27.5-Inch Wheels, 21-Speed, Black
  • Lightweight 16-inch steel frame is the perfect bike for rides around your neighborhood or trails. The 24-inch wheel frame fit riders 5’5” to 6’0” inches tall
  • Bicycle comes with an alloy crank that provides steady gear changes that cause less maintenance
  • Mountain bike has twist shifters with a rear derailleur to make gear changes quick and easy
  • Wide knobby mountain tires sit on a lightweight and durable alloy wheel that adds stability and balance to the rider for all weather and terrain types
  • Front and rear alloy linear pull brakes provide secure stopping power and speed control so you can ride with confidence in a variety of conditions.
SaleBestseller No. 6
YOSUDA Indoor Cycling Bike Stationary - Cycle Bike with Ipad Mount & Comfortable Seat Cushion
  • 【Smooth Stationery Bike】35lbs flywheel and heavy-duty steel frame of the exercise bike guarantee the stability while cycling. The belt driven system provides a smoother and quieter ride than chain transport. It won't disturb your apartment neighbors or sleeping kids.
  • 【Personalized Fit Exercise Bike】2-ways adjustable non-slip handlebar, 4-ways padded seat (inseam height 25-35in) and a large range of resistance give users a comfortable indoor riding experience. Workout your muscles / lose weight / enhance heart /lung function. 270 lbs weight capacity.
  • 【LCD Monitor and Ipad Mount】The LCD monitor on exercise bike tracks your time, speed, distance, calories burned and odometer. The gift Ipad holder allows you to enjoy exercising and music at the same time, making it easier to keep exercising.
  • 【Safe to Use】The adjustable cage pedals on exercise bike protects you from a fast ride. Press the resistance bar to stop the flywheel immediately. The water bottle holder allows you to replenish water in time. Transport wheels help you easily move this cycle machine. All parts are protected and your little baby can't reach them.
  • 【What You Get】A YOSUDA exercise bike, all tools and instructions are in the package. Online instruction video can help you complete the assembly within 30 minutes. ONE YEAR FREE parts replacement.
SaleBestseller No. 7
Exercise Bike - Stationary Indoor Cycling Bike for Home Gym with Tablet Holder and LCD Monitor,Silent Belt Drive,Comfortable Seat and Quiet Flywheel
  • [Sturdy Indoor Stationary Bike]:Flywheel And Heavy-Duty Steel Frame Of The Exercise Bike Guarantee The Stability While Cycling. The Drive System Provides A Smoother And Quieter Ride Experience.It Won'T Disturb Your Family Members.
  • [LCD Monitor & Ipad Holder]:Multi-Function Digital Display Can Track Your Exercise Time, Speed, Calories Burned, Distance And So On.Help You Understand Your Exercise Progress And Adjust Your Exercise Plan.The Tablet Phone Bracket Easily Holds Mobile Devices,To Enjoy Exercising And Entertainment Simultaneously.
  • [Safe To Use]:It Has A High-Quality Heavy-Duty Flywheel That Can Weigh 35lbs With Silent Belt Braking On.According To The Scientific And Stable Triangle Structure,It Can Withstand Up To 330 Pounds Of Users,Make The Movement More Safe And Stable.
  • [Fully Adjustable]:The Wide Seat And Handlebar Are All 4-Way Adjustable To Adapt To Different Height Users.You Can Adjust Them According To Your Own Needs To Increase The Pertinence Of Sports.Provide Users With A Comfortable Indoor Riding Experience.
  • [Brake And Resistance]:Simply Turn The Knob To Increase Or Decrease The Adjustment To The Different Levels That Best Suit You. Push The Same Knob To Stop Quickly And Safely. Convenient Operation Makes The Movement More Simple And Efficient.
SaleBestseller No. 8
Giro Rincon Mens Mountain Cycling Shoes - Black (2023), 44
  • COMFORTABLE AND SUPPORTIVE FIT: One-piece Synchwire upper with soft lace guides for supple-yet-supportive fit and great breathability.
  • FAST, EASY ADJUSTMENT: BOA L6 dial offers micro closure adjustment (1mm increments) with instant release.
  • POWERFUL PEDALING: Composite plate for optimal power transfer, with dual-injected rubber outsole for traction when hiking.
  • ARCH SUPPORT AND LIGHT WEIGHT: 3D Molded footbed with medium arch support. Just 340g (size 42/US 9 shoe)
  • 2-BOLT CLEAT COMPATIBLE: Works with all 2-bolt pedal/cleat systems including Shimano SPD, Time ATAC, Crank Brothers, etc.
SaleBestseller No. 9
Master Lock Cable Lock, Set Your Own Combination Bike Lock, 6 ft. Long, 8122D , Black
  • LOCK APPLICATION: For indoor and outdoor use; Cable lock is best used for bicycles, ladders, lawn mowers, and sports equipment.Note: Measure your door's backset, cross bore and thickness to ensure you find the right fit.Note: Measure your door's backset, cross bore and thickness to ensure you find the right fit.
  • EASE OF USE: Resettable 4 dial combination for keyless convenience, set and reset your combination allowing thousands of personalized combination code options; Self-coiling for easy storage
  • DURABLE DESIGN: Cable is made from braided steel for strength and flexibility; protective vinyl coating helps to prevent scratches
  • SPECIFICATIONS: 6 ft. cable length; 1/2 in. outside diameter
Bestseller No. 10
Master Lock Bike Lock Cable, Combination Bicycle Lock, Cable Lock for Outdoor Equipment, 8143D,Black
  • Outdoor bike cable lock with combination is best used as a bicycle lock and to secure other outdoor equipment.Note: Measure your door's backset, cross bore and thickness to ensure you find the right fit.
  • Cable bike lock features a preset, four-digit combination lock; Provides a basic security level that is best used as a theft deterent
  • Bike lock is made with braided steel for flexibility, and includes a protective vinyl coating that helps prevent scratching
  • Bike lock cable is 4 ft. (1.2 m) long and 5/16 in. (8 mm) wide in diameter
  • Includes one combination bike lock cable

Top Best Bike Under 400 Reviews 2021


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This Merax 26” Mountain Bicycle is one of the best bike under 400 that fulfills your cycling experience. It is not only suitable for off-road trips but it also creates a surprisingly comfortable ride on even roads, mainly thanks to the 80mm front suspension fork, large 26-inch wheels and Kendra tires.


A durable aluminum frame, double-walled aluminum rims and dual mechanical disc brakes design will stop the bike when you press down on the Shimano 21-speed gear shifter. This will avoid dangers when you’re riding on rugged terrains.

PROS

  • Front suspension forks design smooths bumps
  • Reliable and smooth gear shifting
  • Dual disc brakes provide enhanced stopping power
  • Be able to meet all of your riding needs

CONS

  • No wrench to adjust the saddle

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The second place on our best bike under 400 list is the Merax FT323 Mountain Bike. This bike is the perfect design of the standard 21-speed shifter, pull brake and alloy frame. Full suspension system absorbs maximum shock that satisfies picky bike lovers. 


Another remarkable feature of this bike is the dual suspension system. You can confidently conquer rugged terrain without fear of damage because the dual suspension system is able to absorb shock from both the front and rear.


Merax FT323 has also addressed customer’s concern about the product's durability very well as the manufacturer has made alloy frame and thick, solid tires helping prolong its longevity.

PROS

  • Smooth shifting components
  •  Durable frame
  •  Excellent shock-absorption
  • 1 year warranty
  • Comfortable handlebar

CONS

  • Narrow seat
  • Take a bit long time to assemble

Sale
Vilano Diverse 3.0 Performance Hybrid Road Bike 24 Speed Disc Brakes
  • Performance Hybrid road bike
  • Hydroformed Alloy Performance Hybrid Frame and Fork
  • Disc Brakes for Great Stopping Power, 700c Wheels and 700c x 35c Tires
  • Upright Handlebar for Comfort
  • Free Pedals Included, Bike Requires Assembly and Tuning

If you're looking for a budget-friendly bike that performs well on any road condition, don't miss this Vilano Diverse Performance Hybrid Road Bike 3.0. Vilano Diverse 3.0 is equipped with Shimano disc brakes providing an excellent stopping power. 


The disc brake works well in wet conditions, helping bikers dispel worry about safety when driving in bad weather. Apart from it, the brakes ensure stability and give you better control on the road. You can drive with confidence and can stop in an emergency without losing safety.


In addition, it is also equipped with a comfortable seat to reduce pressure on your shoulders and arms. Thanks to the feature that helps you save your energy, you will not be interrupted by fatigue when riding anymore.

PROS

  • Works well on all road conditions
  • Easy to assemble
  • Reliable braking system
  • Lightweight aluminum frame

CONS

  • Huge frame might not be ideal for shorter people
  • No kickstand included

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Làm xong box của sản phẩm thì clone ra là ok.

PROS

  • List Element

CONS

  • List Element

Sale
Vilano Blackjack 3.0 29er Mountain Bike MTB with 29-Inch Wheels
  • Hand Built Butted 6061 Alloy 29er Hard Tail Frame
  • Mechanical Disc Brakes
  • Suspension Fork
  • Double Wall Alloy Rims
  • Great starter MTB

This Vilano Blackjack 3.0 29er Mountain Bike MTB can be a good choice if you want to enjoy your cycling on every type of road. The frame is a lightweight, handcrafted 6061 aluminum, together with the suspension fork, they allow you to get through rugged terrains easily.


Another outstanding feature of this product is that its front and rear disc brake provide reliable stopping power on roads or rail trails. You also don't have to worry about the speed control anymore because the bike is equipped with Shimano 8 Speed EF-51 Integrated Shifter.


However, if you join a long-distance ride, the saddle can hurt your back and buttock. Since it is easy to remove the saddle, you can replace the saddle with a more suitable one to avoid the above situation.

PROS

  • Lightweight frame
  • Easy to assemble
  • Superb braking system in all riding conditions

CONS

  • Seat may be uncomfortable if having a long-distance ride
  • Slippery pedals

Hiland 27.5 Inch Mountain Bike 27-Speed MTB Bicycle for Man with 18 Inch Frame Lock-Out Suspension Fork Hydraulic Disc-Brake Urban Commuter City Bicycle Black Bike for Man Woman Adlut
  • 【High tech Frame】Hiland Slycan has a high quality ultralight aluminum frame for riding and moving with ease,corrosion resistant and very easy to clean and maintain.Internal shift cable and brake hose routing can help your cables last longer by protecting them from any environment,reduce wind resistance for higher speed.
  • 【Brake&Shifter】Dual Powerful hydraulic disc brakes are more efficient than mechanical disc brakes, provide you better durability and stopping power for your rugged and damp adventures . 27 Speeds drivetrain allows you to find the place that’s most efficient for you and the higher gear to pursue speed within a wide range of variability.
  • 【Lock-Out Fork】Adjustable damp front suspension fork absorbs any bumps and dips encountered on your path for a smoother-feeling ride. Locked suspension means your fork remains inactive,won’t absorbe your pedaling power to increase pedaling efficiency. It saves your energy and increase speed for riding on smooth roads.
  • 【XC Tires】Double wall aluminum rim is not only stronger but also protects the inner tube to reduce,increase the strength of outdoor riding.27.5”*2.1” XC tires are thin and roll fast,have anti-skid patterns, wear-resistant anti-skid, good shock absorption, strong puncture and abrasion resistance,more comfortable and all-terrain riding.
  • 【Buy Guide】SIZE S suits riders between 5'1" & 5'7";SIZE M suits riders between 5'5" & 5'10";SIZE L suits riders between 5'8" & 6'2".85% pre-assembled,easy to assemble, assembly tools included.Please don’t assemble the fork BACKWARDS.If you have any questions about the bike, please do not hesitate to contact us for solution.

This is one of Hiland's very nice looking and reasonably priced designs. The durable and sturdy lightweight aluminum frame will protect the bike from corrosion regardless of wet conditions. 


If you are new to cycling, you will definitely be interested in speed control. To solve this problem, Hiland has designed the bike with the 27-speed gearshifter ensuring complete control in all situations. Thus, the problem of speed is blown away!


Brake system is also a big plus point of this product. It includes dual hydraulic disc brakes to help the bike work effectively and ensure your safety.

PROS

  • Easy to assemble
  • Ideal on mountain roads, highways, and forestways
  • Easy to adjust the brakes

CONS

  • Slippery pedals
  • Loose derailleur sometimes

Hiland Mountain Bike, Hydraulic Disc-Brake,29 INCH, Aluminum XC Frame, Lock-Out Suspension Fork, 16 Speed for Men Mens Bike
  • 【High Tech Frame】Hiland CONQUEROR is a trail-worthy daily rider that has a high quality ultralight aluminum frame XC design to enjoy your trail adventures and internal shift cable routing can help your cables last longer by protecting them from the elements.
  • 【Brake&Shifter】Dual Powerful hydraulic disc brakes are more efficient than mechanical disc brakes. It provide you better durability and stopping power. 2*8 drivetrain gives you all the gears you need and none you don’t for your most rugged adventures.
  • 【Lock-Out】With a lockout fork can be utilized when riding downhill and on rough terrain. With the flip of a single switch the suspension can be made more rigid for riding uphill or on pavement.
  • 【Assembly Guide】85% pre-assembled,assembly tools included,easy to assemble with in 25 minutes. We have assembly video on the product page. NO KICKSTAND
  • 【Size Guide & Warrenty】Size M is ideal for riders between 5'3-5'11,Size L is ideal for riders between 5'5-6'2.Like every Hiland, it's backed by a limited lifetime warranty. So if you have any question about bike, Please do not hesitate to contact us.

This blue and black aluminum-framed bike is stylish and very attractive. It is the best bike for you if you’re looking for one that has good stopping power. This is because its brake system has two hydraulic disc brakes, making the force on brakes more stable and strong.  

If you are also a nature lover, this bike will suit you very well. The 29-inch wheels and Lock-Out suspension fork offer you a great ride on forestways, mountain roads and highways. Also, its 16-speed gearbox enables you to be in complete control in every situation.

PROS

  • Durable wheels
  • Straight handlebars
  • Powerful brakes
  • Kickstand included

CONS

  • Suitable for riders between 5'9"- 6'3"
  • Sometimes gears don’t shift well

ROYCE UNION RMT 27.5" Womens 21-Speed All-Terrain Mountain Bike, 15" Aluminum Frame, Twist Shift, Eggplant Purple
  • Assembly video under images; RMT is one great bike to ride; the hardtail frame is molded from durable, no-rust aluminum, lighter than steel; that makes this bike easier to accelerate, easier to maintain momentum, and easier to handle
  • All tools are included for fast assembly; 15-inch frame is for a minimum inseam of 25.25 inches; 17 inch frame is also available; Zoom suspension fork delivers solid performance
  • Just twist to shift; the complete Shimano 21 speed drivetrain delivers seamless shifting between gears as you adjust to your path; padded saddle can be easily adjusted for the right fit
  • 27.5 inch wheels maintain rolling momentum; all-terrain tread pattern provides less rolling resistance than typical mountain bike tires; this mountain bike performs equally well for gravel paths and for paved streets
  • Machined alloy wheel rims enable superior brake pad contact to enable the alloy linear pull brakes to consistently stop on demand; Kraton grips and pedals feel good and comfortable; limited 10-year frame warranty (see owner's manual for details)

If purple is your favorite color, this 27.5” Royce Union RMT is meant for you. The bike is covered with eggplant purple, which are trendy and attractive. In terms of design,27.5-inch wheels maintain rolling momentum; all-terrain tread pattern provides less rolling resistance than typical mountain bike tires. Machined alloy wheel rims enable superior brake pad contact for smooth stopping force, which is well suited for women.


This Royce Union once again claims it is a great choice for women thanks to the front ZOOM suspension fork for solid handling - it easily absorbs shock from bumpy roads. Moreover, the slight-rise steering wheel creates a vertical steering style, providing more comfort to the shoulders, back and arms.

PROS

  • Good Heavy-duty suspension fork
  • Smooth and precise Gearshift
  • Well-handled on rugged terrain
  • Easily adjust saddle
  • Limited 10-year frame warranty

CONS

  • Not easy to assemble
  • No kickstand

Sale
ROYCE UNION RMY 700c Mens 21-Speed Hybrid Comfort Bike, 19" Aluminum Frame, Metallic Red
  • Assembly video under images; premium comfort and easy assembly; RMY is one hybrid bike you can't ignore; the durable, lightweight aluminum frame is easy to handle and will never rust; Metallic Red with clear coat looks stunning
  • 19-Inch frame is suggested for a minimum inseam of 35.5 inches; 17 and 21 inch frames also available; we deliver this bike 90% assembled; all tools included for fast assembly; the RMY is ideal for riding around town, commuting, and exercise
  • Premium, richly padded saddle, with dual springs, is ergonomically designed for real comfort; it has a rear reflector for streamlined look; soft Kraton grips feel great; comfortable pedals maintain a responsive feel no matter how long you ride
  • Front suspension fork delivers solid performance; slight-rise handlebar enables upright posture for a more comfortable ride; complete SHIMANO drivetrain enables seamless transitions between gears
  • Lightweight alloy linear pull brakes with machined alloy wheel rims enable superior brake pad contact to deliver smooth stopping power; all-terrain tread on the 700C tires enhances rolling momentum for less resistance

Our team of experts has selected one more candidate worth your consideration from the list of best bike under 400, which is the Royce Union 700c. This bike with metallic red paint will make you stand out from a myriad of other bikes. The front ZOOM suspension forks help handle bumps in uneven terrain.


This bike features a quick-release seat post that allows you to customize the seat height to fit. Plus, it has a 21-speed Revoshift SHIMANO, drivetrain and a Tourney-indexed rear derailleur, creating ultra smooth transition between gears. This will avoid damage as much as possible when you ride through difficult terrain, ensuring your safety and its longevity.

PROS

  • Optimized for riding around the city, commuting, exercise
  • Maintain the upright posture for the comfortable ride
  • Reliable brakes and a front suspension fork to ensure the safety

CONS

  • No kickstand included
  • No bottle holder

Hiland 26 Inch Mens Mountain Bike,Full-Suspension 21 Speeds Drivetrain with Disc-Brake MTB Bicycle, Bike for Men Women
  • 【High Tech Frame】High carbon steel soft tail frame has better strength, stability and toughness, which can better absorb vibration. Compared with aluminum frame, rider is not easy to feel fatigued during riding,enjoys the adventure on mountain roads, forest paths and highways.
  • 【Full Suspension】Full suspension bike has better shock absorption,adapt to more terrains,giving you a more comfortable ride on rough roads and provide a durable riding experience.In addition,Soft tail ensures that the tires are fully gripped to maintain control on descents.
  • 【Professional Drive Train】SHIMANO RevoShift twist grip shifter is precise and simple to control, a wide range of gears gives you more control for climbing and room to get low on descents, corners and jumps.Internal shift and brake cable make cables last longer by protecting them.
  • 【XC Sport Tires】26”XC tires are faster acceleration, easier handling, more responsive than bigger wheel,Ideal for dual suspension mtb.Double wall rim is not only stronger but also protects the inner tube.This bike is suitable for whether you are a beginner or professional rider.
  • 【Assembly Guide & Warranty】The 18-inch frame fits riders from 5’5’’ to 6’1'' tall.Like every Hiland, it is 85% pre-assembled, easy to assemble, assembly tools included. It's backed by a limited lifetime warranty. If you have any questions, please do not hesitate to contact us.

You’re ready for a mountain ride but haven't found the right bike yet? Don't worry, we've got a suggestion for you, the Hiland 24 26 Inch Mountain Bike. The bike is equipped with Taiwan ZOOM suspension forks that make your ride much more comfortable. The suspension stabilizes the front wheel, relaxing the rider's arm and making it easier to drive. 


The Hiland also has a drivetrain made of well-known SHIMANO technology, so you can have one hundred percent trust in terms of this bike’s durability and safety. This Hiland has an efficient disc brake system, providing considerable safety for your trip. Thus, this is the ideal companion when you want to exercise and conquer difficult terrain. 

PROS

  • Rust-resistant and durable steel frame
  • Bump and shock absorber
  • Frame lifetime warranty

CONS

  • The seat tube doesn't fit the tube well causing the seat to slip down
  • Need to inflate the tires

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For those who are new to cycling but love racing, you should definitely not miss this Bikes EURXC550 21 Speed Road Bike. The bike features dual disc brakes, ensuring a safe stop in any weather conditions. Adjustable seat height allows riders to find the most suitable riding position, preventing the backbone and buttock from pain.


The convenient shifting system with 21 speed allows you to easily ride with the speed you want. This road bike also designs 700C tires - an ideal specification for road bike’s tires. Thus, these high-end components will ensure the durability and safety during your biking. This bike will fulfill your love for racing for sure!  

PROS

  • Solid, durable on a wide range of terrains
  • Efficient braking system
  • Designed to maximize speed

CONS

  • Heavy frame
  • Not ideal for riders who are shorter than 5’5”

Mongoose Impasse Mens Mountain Bike, 29-Inch Wheels, Aluminum Frame, Twist Shifters, 21-Speed Rear Deraileur, Front and Rear Disc Brakes, Silver
  • 18-Inch/Medium Aluminum suspension frame maximizes comfort & performance
  • Element suspension fork smooths the bumps and increases control
  • 21 speed rear derailleur with SRAM twist shifters changes gears easily
  • Alloy wheels with quick-release front. Tips when assembling: Be sure the wheel is as centered as possible between the fork legs. If quick-release lever closes easily, open it up and tighten the adjustment nut further. If it is too difficult to close, open the quick-release lever up and loosen the adjustment nut a little, and try again
  • Alloy front & rear disc brakes

This mongoose impasse will not let you down by its fantastic features. To make your cycling experience enjoyable, the manufacturer has added a 21 speed rear derailleur with SRAM twist shifters so that you can change gears easily.


A dual suspension of this bike plays an important role in absorbing shocks on difficult terrains, giving you softer rides. Large 29-inch wheels help riders cruise over obstacles effortlessly. Aparts from its perfect wheels size, this bike features durable and sturdy tires that bear many road conditions.


If you still worry about its safety, don’t be anymore because this bike provides you with the high quality front and rear alloy disc brakes. The two components work simultaneously offering stopping power whenever instant stopping is required.

PROS

  • Suitable for all-terrain cycling
  • SRAM gear shifters make gearing easy
  • Good quality knobby tires

CONS

  • Pretty heavy

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Another good option from our best bikes under 400 list is the BESPORTBLE Mountain bike. It comes along with an excellent derailleur system that makes it easy to control and maneuver at the steep downhill ride.


The gears are easily adjustable and change smoothly, enabling you to enjoy the thrilling speed. The bike is equipped with Shimano’s 21-speed gear shift that ensures you always ride with confidence.

PROS

  • Easy to assemble
  • Smooth Gearshift
  • Durable tires
  • Bottle holder included

CONS

  • Hard saddle
  • Inadequate instruction

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Another wise choice for bikers who want to own a best bike under 400 is the Max4out mountain bike. The very smooth combination between front and rear disc brakes on this bike will give you a powerful stop that protects you from accidents when biking on every terrain. 


The 3-speed front derailleur and the 7-speed rear derailleur provide 21-speed super-smooth shifting is ideal for daily rides to school, work, or a cross country ride. The gears can be changed smoothly by fingers and accurately on almost any surface or slope.

PROS

  • Solid high carbon steel frame
  • Free pedals
  • Good shock absorbers
  • Well-performed on a variety of terrains

CONS

  • Not a comfortable seat
  • The stem connected to front suspension is not very tight

Sale
Schwinn High Timber Youth/Adult Mountain Bike, Steel Frame, 27.5-Inch Wheels, 21-Speed, Black
  • Lightweight 16-inch steel frame is the perfect bike for rides around your neighborhood or trails. The 24-inch wheel frame fit riders 5’5” to 6’0” inches tall
  • Bicycle comes with an alloy crank that provides steady gear changes that cause less maintenance
  • Mountain bike has twist shifters with a rear derailleur to make gear changes quick and easy
  • Wide knobby mountain tires sit on a lightweight and durable alloy wheel that adds stability and balance to the rider for all weather and terrain types
  • Front and rear alloy linear pull brakes provide secure stopping power and speed control so you can ride with confidence in a variety of conditions.

The Schwinn High Timber mountain bike can be a great choice if you love relaxing cycling around the neighborhood. This bike is designed with a lot of attractive features that can easily be adjusted according to your needs. On top of that, this bike is very affordable.


The bike comes with a quality gearshift system, including an alloy crank that keeps the gears stable and saves you money on maintenance. The brakes are very responsive, together with front and rear alloy linear pull brakes providing precise and high stopping power. You don’t have to worry about safety when riding on any terrain.

PROS

  • List Element

CONS

  • List Element

Sale
Schwinn High Timber Youth/Adult Mountain Bike, Steel Frame, 27.5-Inch Wheels, 21-Speed, Black
  • Lightweight 16-inch steel frame is the perfect bike for rides around your neighborhood or trails. The 24-inch wheel frame fit riders 5’5” to 6’0” inches tall
  • Bicycle comes with an alloy crank that provides steady gear changes that cause less maintenance
  • Mountain bike has twist shifters with a rear derailleur to make gear changes quick and easy
  • Wide knobby mountain tires sit on a lightweight and durable alloy wheel that adds stability and balance to the rider for all weather and terrain types
  • Front and rear alloy linear pull brakes provide secure stopping power and speed control so you can ride with confidence in a variety of conditions.

The Schwinn High Timber mountain bike can be a great choice if you love relaxing cycling around the neighborhood. This bike is designed with a lot of attractive features that can easily be adjusted according to your needs. On top of that, this bike is very affordable.


The bike comes with a quality gearshift system, including an alloy crank that keeps the gears stable and saves you money on maintenance. The brakes are very responsive, together with front and rear alloy linear pull brakes providing precise and high stopping power. You don’t have to worry about safety when riding on any terrain.

PROS

  • Easy to assemble
  • Although the frame is made of steels, but it’s still lightweight
  • Designed for variety of terrains
  • Offer multiple speed options

CONS

  • Not ideal for short riders
  • Narrow seat may cause uncomfortability

Huffy Hardtail Mountain Trail Bike 24 inch, 26 inch, 27.5 inch, 24 Inch Wheels/15 Inch Frame, Gloss Lavender
  • Assembly tutorial is located in the related video shorts section; ideal for ages 12-19, a recommended height of 58-70 inches, and a minimum inseam of 27 inches
  • The lightweight aluminum hardtail frame is backed by our limited 10-year warranty (see owner's manual for details); Aluminum (much lighter than steel) provides more rolling momentum so it's easier to pedal for speed and acceleration
  • An all-Shimano drivetrain delivers 21 speeds of ultra smooth, precise shifting with just your index finger and thumb; premium padded ATB saddle is stitched for lasting quality
  • Front suspension delivers the right response for whatever terrain you ride; the front-load stem with forged crown provides extra strength for riding comfort; knobby 26" X 2.10" tires grip dirt and gravel paths with ease in wet or dry conditions
  • Alloy linear pull brakes together with machined alloy wheel rims provide smooth stopping power; slight-rise handlebar enables upright riding to minimize back and shoulder strain; ATB-type resin pedals and Kraton grips are comfortable and responsive

The last one we want to present to you on our list of 15 best bikes under 400 is the Huffy Hardtail Mountain Trail Bike. The bike has excellent design that brightens up anyone’s outlook. The frame of this bike is made of aluminum, which provides an easier pedaling without wasting much energy.


One remarkable feature of this bike that you can’t miss is its ATB saddle. It is designed for maximum comfort and easy biking experience. The front suspension of this Huffy Hardtail bike acts as an excellent shock absorber, giving you enjoyable moments you’ve had when riding. The durable knobby 26" X 2.10" tires guarantee that you will get a high safety with this bike no matter how bad the weather is.

PROS

  • Lightweight frame
  • Easy to assemble
  • Very comfortable seat
  • Excellent tire grip

CONS

  • Tight front brake
  • Need to tighten spoke

Important Factors Of Best Bike Under 400 You Should Know

 Best Bikes Under 400

For newbies who want to join cycling, selecting the best bike isn’t only about design, cost but also about the purpose of cycling and the quality of every bike’s part. Here is our criteria with the hope to support you to pick the most suitable bike for yourself.

Usage

If you are just a fan of cycling during daily activities such as commuting or wanting to improve your health, a hybrid bike will be a brilliant idea for you. If you love to join adventure sports such as mountain climbing, you will need a mountain bike due to its durability and flexibility. However, a road bike will be a good choice if you want to experience bike racing. 

Size 

The bike size is one of the most important factors that determines the quality of your cycling. We recommend that you should carefully read the specifications of the bike to make sure that it fits your body. Or you can ask the manufacturers on their website, so they can give you the most practical advice on how to choose the suitable bike size. 

 Best Bikes Under 400

Frame material

The next component that contributes to creating a high-quality bike is frame. Nowadays, bike manufacturers often select popular materials such as aluminum, steel and carbon to make bike frames. Let’s consider these materials one by one!

Aluminum frame

Aluminum is a fairly favorite material of both bikers and manufacturers because they are not only light, quite sturdy, but also affordable. Another advantage of aluminum is that it is corrosion-resistant, which ensures the durability of the bike in wet conditions. However, the aluminum's stiffness can cause the bike to absorb road noise as well as other materials. Thus, this is not a good option for long-distance journeys.  

Steel frame

Steel is thicker and stronger than aluminum. It is not only durable and deformation-resistant but also can be easily repaired. The downside of this material is its heavy weight, so it's not integrated for premium bikes. Also, steel-framed bikes are susceptible to rust in wet weather and under the action of oxygen.

Carbon frame

Finally, many bike companies have used carbon - the most unique material in producing bike frames. Some enormous advantages of this material are ultralightness, excellent stability on rugged terrains and especially unlimited longevity. Because of the fact that making a carbon frame will take a lot of time and difficult steps, it is inevitable that carbon frame bikes are much more expensive than other bikes. It focuses on maximum performance and satisfies professional racing cyclists.

Groupset

Groupset plays a pivotal role for bikes; it is not only the engine that drives the whole bike, but also the key factor for the bike’s performance on each different terrain. They are included components such as chainset, bottom bracket, brakes, brakes levers, shifters, derailleurs, chain and cassette and these components work as a whole, helping the bike to operate smoothly. Currently, the most well-known technology that is applied to groupset is Shimano. It is a favorite brand of bike lovers because of its affordable price and excellent performance. 

Wheel & Tire

If you're looking for the best bike under 400, you should definitely not overlook the other two important factors, which are wheel and tire. The larger the tire width, the higher the bearing capacity, offering bikers a softer ride on rough terrain. Plus, wide tires have better grip and higher safety on rough roads. Yet, a wide tire will reduce the vehicle's speed. Wheels with small tires will increase speed of the bike by not creating too much friction with the road, but that is also their disadvantage because the grip is not high, leading to danger.

 Best Bikes Under 400

Front suspension

The front suspension is a common feature of many bikes today. Choosing a good suspension not only guarantees the safety of your vehicle, but also helps absorb shock better from the terrain giving a sense of comfort and confidence for the journey to conquer and get through difficult terrain with ease. Currently, some hybrid bikes are equipped with suspension under the saddle. This new type of suspension is an excellent absorber for the cyclist when going through rough terrain or macadam. 

Saddle

The saddle of a bike is an important accessory because it greatly affects the user's driving position. Choosing the unsuitable saddle will have a bad impact on the pelvis, spine, and buttock will be tired. Depending on the cycling purposes, you can choose different types of saddle with different widths. If you are choosing a saddle for high-speed racing, the saddle should be narrow made of hard leather to reduce the distance and area between the thighs, creating faster speed without spending much energy. If you merely want to enjoy a relaxing ride, a bit wide cushioned saddle is a perfect option. If you experience mountain climbing, you have to install a medium-sized saddle for easier off-road trips.

If you still have questions about the above criteria, please watch the following video to better visualize the important factors that make the best bike!

Here is a video for you to grab more information:

Conclusion: My Top Pick For Best Bike Under 400

1

BEST FOR exercises and mountain rides

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2

BEST FOR mountain climbing

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3

Best hybrid road bike for all riding conditions

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Vilano Diverse 3.0 Performance Hybrid Road Bike 24 Speed Disc Brakes
  • Performance Hybrid road bike
  • Hydroformed Alloy Performance Hybrid Frame and Fork
  • Disc Brakes for Great Stopping Power, 700c Wheels and 700c x 35c Tires
  • Upright Handlebar for Comfort
  • Free Pedals Included, Bike Requires Assembly and Tuning

4

Best mountain bike for all riding conditions

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Vilano Blackjack 3.0 29er Mountain Bike MTB with 29-Inch Wheels
  • Hand Built Butted 6061 Alloy 29er Hard Tail Frame
  • Mechanical Disc Brakes
  • Suspension Fork
  • Double Wall Alloy Rims
  • Great starter MTB

5

BEST FOR mountain roads, highways, and forestways

Hiland 27.5 Inch Mountain Bike 27-Speed MTB Bicycle for Man with 18 Inch Frame Lock-Out Suspension Fork Hydraulic Disc-Brake Urban Commuter City Bicycle Black Bike for Man Woman Adlut
  • 【High tech Frame】Hiland Slycan has a high quality ultralight aluminum frame for riding and moving with ease,corrosion resistant and very easy to clean and maintain.Internal shift cable and brake hose routing can help your cables last longer by protecting them from any environment,reduce wind resistance for higher speed.
  • 【Brake&Shifter】Dual Powerful hydraulic disc brakes are more efficient than mechanical disc brakes, provide you better durability and stopping power for your rugged and damp adventures . 27 Speeds drivetrain allows you to find the place that’s most efficient for you and the higher gear to pursue speed within a wide range of variability.
  • 【Lock-Out Fork】Adjustable damp front suspension fork absorbs any bumps and dips encountered on your path for a smoother-feeling ride. Locked suspension means your fork remains inactive,won’t absorbe your pedaling power to increase pedaling efficiency. It saves your energy and increase speed for riding on smooth roads.
  • 【XC Tires】Double wall aluminum rim is not only stronger but also protects the inner tube to reduce,increase the strength of outdoor riding.27.5”*2.1” XC tires are thin and roll fast,have anti-skid patterns, wear-resistant anti-skid, good shock absorption, strong puncture and abrasion resistance,more comfortable and all-terrain riding.
  • 【Buy Guide】SIZE S suits riders between 5'1" & 5'7";SIZE M suits riders between 5'5" & 5'10";SIZE L suits riders between 5'8" & 6'2".85% pre-assembled,easy to assemble, assembly tools included.Please don’t assemble the fork BACKWARDS.If you have any questions about the bike, please do not hesitate to contact us for solution.

You like to combine fitness with sport? The Merax 26” Mountain Bike will fulfill your riding needs. With the design of the front fork with maximum shock reduction, you will experience smooth rides on uneven terrains, like hills and mountains. Helping you boost your health and enjoy nature, this bike deserves a place on your must-have list!

If you are a fan of adventure sports and want to own a bike that satisfies your preference and has an affordable price, the Merax FT323 is not a bad choice. This bike features dual suspension that minimizes bumps on the road, creating the comfortability when biking. Our team of experts believe that the Merax FT323 definitely deserves your investment.

With the incredibly lightweight frame and good performance on all riding and weather conditions, you should not miss this Vilano Diverse 3.0 Performance Hybrid Road Bike for sure. You can enjoy weekend cycling with your loved ones or ride to work safely because the bike has been equipped with disc brakes offering you great stopping power.

Another superb mountain bike that gives you great experiences regardless of riding conditions is the Vilano Blackjack 3.0 29er. This bike is equipped with Shimano 8 Speed EF-51 Integrated Shifter, which fully supports you in every road in terms of speed control. Enjoying cycling with this Vilano Blackjack perhaps is one of the best decisions you’ve made! 

The last one from our top pick is the Hiland 27.5 Inch Mountain Bike. You will never regret buying it because this bike has a lot of excellent features from lightweight frame to advanced braking system. In general, this Hiland 27.5 acts as an ideal companion for those who want to enjoy the beauty of nature around them.

Hopefully our review will be useful for those who want to own the best bike under 400. Don't wait any longer, go shopping on amazon and read our review to find the best product for you!

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