The Best 5 Mountain Bikes Under $400

Off road biking is a tricky sport where the selection of gear is very important. A faulty or poor quality bike can put you in great danger while you are on rough trails. No matter how low or high your budget is, there are always some bikes on the market that offer more than they cost. To ease your trouble in finding the best mountain bike around $400, we have come up with a review of the best 5 bicycles that meet the following criteria:

Aluminum Frame:

Bikes made of steel are heavier. Steel frames are good for road bikes or on flat terrain where there is no slope. But for a mountain bike, the lighter the bike is the more control you have on the bike up the hill. That’s why we have selected the bikes that have an aluminum frame. Other frame materials such as titanium or carbon can’t be found in this price range.

Front Suspension:

Bikes with no suspension are very cheap but make no sense when it comes to off-road biking. Because off-road biking means bumps and shakings. On the other hand, dual suspension bikes can be awesome, but these are very costly and only suitable for professionals. Although there are some bikes under $400 that offer dual suspension, but their quality is below average. That’s why we have chosen hardtails that have only front suspension. Hardtails are suitable for all and these are also found at large in this budget.

The Best 5 Mountain Bikes Under $400:

The mountain bikes reviewed below are not in any particular order. These were randomly selected based on above prerequisites as well as their rating, user review, sales record and youtube reviews.


GMC Yukon Fat Bike:

A fat bike can make you invincible even on the roughest of trail. If you are looking for the best mountain bike around $400 with oversized tires, GMC Yukon Fat Bike is the perfect one. It comes with a handcrafted 18″ aluminum frame that makes this fat bike very lightweight. The bike features 26” x 4” wide tires on 4” wide aluminum rims so that the biker achieves maximum balance and stability while riding on rocks, mud, sand, or even snow. This bike is suitable for bikers whose high is between 5’6” to 6”. GMC Yukon features 7 speed with Shimano Rear Derailleur and Shifter. Despite how steep the trails are, you can enjoy many gear options from the Tourney rear derailleur and a wide range Shimano 14-34 cassette. The bike has disc brakes that are capable enough to stop the fat wheels in the blink of an eye.

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Pros and Cons
PROS:
  • High-quality aluminum frame in a fat bike at this price range is very rare.
  • Excellent bike for getting through any terrain, especially snow.
  • Very easy to install and uninstall the parts. It comes 90% pre-assembled in the box.
  • Lighter than most other fat mountain bikes.
CONS:
  • The brakes require regular maintenance.

GMC Yukon Fat Bike
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Merax Finiss Mg Alloy Wheel Mountain Bike

Do you want to make your friends zealous of your new bike? Merax Finiss Mg Alloy Wheel Mountain Bike is exceptional and unique from any bike you have ever seen. The main charm of this bike is its build quality and design. Just like the top rated and high-profile mountain bikes, its frame is also made of heat treated 6061 aluminum alloy. This bike features 26-inch lightweight magnesium alloy wheels that are hard to imagine on a bike at this price range. Besides, Shimano 21-speed derailleurs and shifters are also there to offer reliable shifting. The mechanical disc brakes of this bike work flawlessly without any delay. The bike also features advanced aluminum mechanical lockout suspension fork to withstand bumps.

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Pros and Cons
PROS:
  • The magnesium wheels never require truing.
  • Properly sealed suspension with a lockout and preload adjustment.
  • Very attractive and stylish design.
  • Most of the parts are made of high-quality 6061 aluminum alloy.
CONS:
  • The gears and disc brakes may require some minor adjustments.

Merax Finiss Mg Alloy Wheel Mountain Bike
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Vilano Ridge 2.0 MTB

Here comes a great mountain bike which is very difficult to find in the market because it goes out of stock very soon after a new stock arrives. This happens because of its huge demand from the customers. Vilano Ridge 2.0 MTB comes equipped with double butted 6061 aluminum frame. Just like the above bike, it also has magnesium alloy wheels, suspension fork with lockout, and mechanical disc brakes. This bike is perfect for both off and on-road adventures. The Shimano 21 speed drivetrain lets you change the wide range of gears very comfortably. It is available in two frame sizes- 17 and 20 inches. This is really a great bike for the money considering the material and components that have been used in this bike.

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Pros and Cons
PROS:
  • Shimano Integrated brake lever provides greater friction and reliability.
  • Magnesium alloy wheels which never need truing.
  • Suspension fork with lockout for more flexibility.
  • Very easy to assemble and disassemble.
  • Available in two sizes.
CONS:
  • Not found yet.

Vilano Ridge 2.0 MTB
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Diamondback Bicycles Sorrento Hard Tail Complete Mountain Bike

Although this bike costs less than $400 bike, it competes against mountain bikes of $1000-$2000 range. The Sorrento Hardtail boasts of Shimano 7-speed rear derailleur and 3-speed front derailleur from which you can use any from the 21 different gear combinations. The aluminum frame of this bike has been butted and heat treated so that it can withstand heavy weights and momentum without breaking or bending. The frame also has a replaceable derailleur hanger with an alloy crown. The medium sized 27.5-inch wheels provide enhanced maneuverability and balance on any terrain. The suspension fork of Sorrento Hardtail is very smooth and effective that lets you race over rough trails without fear of bumps, rocks, or crevices. Shimano shifters have been used in this bike for improved and reliable shifting. This bike is available in 16, 18, 20, and 22 inches.

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Pros and Cons
PROS:
  • The bike features a replaceable derailleur hanger.
  • Very lightweight and easy to carry around.
  • Reliable linear pull brakes provide better friction.
  • Available in four sizes.
CONS:
  • The pedals are made of cheap plastic.

Diamondback Bicycles Sorrento Hard Tail Complete Mountain Bike
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Vilano Blackjack 3.0 29er Mountain Bike

Our last bike for the review Vilano Blackjack 3.0 comes with handcrafted 6061 butted aluminum frame that reduces the bike’s weight up to 15%. The Shimano 8 speed EF-51 integrated shifter ensures faster and more accurate shifting. The bike features amazing suspension fork of 80mm travel with lockout that lets you roll cruise over obstacles without any bumps. The front and rear disc brakes work great in all situations. The large 29-inch wheels with double wall alloy rims can be unbeatable even on the worst terrain. The geometry of this bike is really cool which can easily draw any biker’s attention. The bike comes from the factory 85% pre-assembled.

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Pros and Cons
PROS:
  • The lockout on the fork is very convenient.
  • It comes with a kickstand.
  • Better rolling performance over rocks and obstacles from 29” wheels.
  • The frame is much lighter than expected.
CONS:
  • The grips might seem uncomfortable to some bikers.

Vilano Blackjack 3.0 29er Mountain Bike
Model  Speed  Brakes  Weight   Wheel Color
GMC Yukon Fat Bike 7 Disc 43.9 lbs 26″ Blue
Merax Finiss Mg Alloy Wheel Mountain Bike 21 Disc 34 lbs 26″ Gray & Green Black & Red Stylish Black
Vilano Ridge 2.0 MTB 21 Disc 39 lbs 26″ Black & Red Grey & Orange
Diamondback Bicycles Sorrento Hard Tail Complete Mountain Bike 21 Linear pull 39 lbs 27.5″ Black
Vilano Blackjack 3.0 29er Mountain Bike 24 Disc 38 lbs 29″ Black & Red