Top 10 Best Mountain Bike Under $300 Reviews in 2021 – Buying Guide

Mountain biking is always fun and a part of sports parlance. Particularly in recent years, it has become mainstream to adventure seekers and sports lovers. As pedaling and climbing makes a rider creasy to perform the most extended travel, this race has become very popular all over the USA.

But buying a suitable mountain bike could be overwhelming. Significantly, when your pocket alerts you about the cost. However, this does not mean you cannot get a well-equipped, elements of comfort, aesthetic style mountain bike within a reasonable budget. Hereafter, we are breaking down with the top 10 best mountain bike under $300.

Though our top 10 selection based on beginner level we assure it will be helpful to become a pro biker in future, secondly we have explained a simple but straightforward way of some fundamental understanding while buying bikes. These factors are crucial to know if you to empower yourself to conquer peaks, ridges, trails with full confidence.

Best Mountain Bike Under 300

Top 10 Best Mountain Bike Under $300 reviews

The Mongoose R2780 is an ideal bike for the beginner and regular riders. It comes at an excellent price and offers everything like a great mountain bike.  It made of aluminum suspension frame which makes it light and long-lasting.

This trail-capable bike provides a smooth and contemporary ride featuring such as an Element front fork, SRAM twist shifters, Shimano gearing, quick wheel release, and front & rear disc brakes. If you are a workout junky and wanted to consider riding as a hobby, this will be the perfect choice for you. As you can combine hobby and stay in shape both by investing once.

Though you may have an issue regarding design or pattern, we assure you will not get this types of top elements and manifold characteristics shattering, binding, full suspension, 21 level of speed within a reasonable price.


  • It correctly built for 5.3″ tall riders with durable aluminum suspension frame and 29″ tires
  • For productive work, it has both front and rear disc brakes. It helps for swift stop and start.
  • For reducing bumping hassle and smooth control it has an element suspension fork
  • Additionally, for wheels, it follows quick release mechanism and ensures extra safety.
  • For a change the gear frequently it has SRAM twist shifters.
  • Furthermore, this bike has Shimano TX-35 rear derailleur with 21 speed.


In other words, Mongoose R2780 Dual Full Suspension is one of the best mountain bikes under $300 with a well-performance particularly durable gearshift for rider’s safety and security.

Our second topmost pick-up is MeraxFiniss 26″ Aluminum 21 Speed Mountain Bike from Merax. This brand is already famous for providing the best affordable mountain bikes for years after years, but MeraxFiniss is surprising for its heat-treated aluminum frame.

It would be the best bike for the beginner as it will not damage easily. On the other side, to make the training enjoyable, it has double rims, dual mechanical disc, Shimano shifters, fully padded seat, reliable suspension fork, and lastly 85% complete assemble.

For doing the rest assembling work (fixing pedal, wheel, and handlebar), extra tools also included. So, fix, and you are ready to start!


  • Let’s start with its building quality. It made of a 6061 heated aluminum alloy lightweight frame.
  • The size of the frame is 19″.
  • It can carry a maximum of 330 lbs.
  • To confirm flat riding over the hardened area, it has double wall 26″ aluminum rims and an 80mm travel-friendly full suspension fork.
  • As the brake system plays a vital role in beginner learning, it has a dual mechanical disc braking system on both in front and rear end.
  • Finally, regarding speed, it has 21-speed Shimano derailleurs (ASLRS35LNBC, ASLRS35R7ET) and twisted shifters for reliable shifting.

Along with fitness MeraxFiniss will complete your all sports activities for both in indoor and outdoor. Therefore if you want Best Mountain bike under $300 with all facilities this model would be undoubtedly matched for you.

Brought to you Vilano Blackjack 3.0 29er is the best affordable mountain bike that may rank top. Perhaps, you might feel more costly if you are exactly searching for the Best Mountain bike under $300, but there is some rationale behind this cost.

We can say, it is a hand-built off-road monster and capable of performing any serious mountain tracking including pavement or dirt road or path as because it has a lightweight 6061 aluminum crafted frame, lockout suspension fork, double rims and front, and rear disc brakes.

Moreover, it also offers fast, accurate brake shifting by using Shimano EF-51 integrated shifters.

However, it belongs to 8 speed which you can think it’s a drawback but it will truly help you if you are a beginner or intermediate level rider.


  • The most attractive point of this bike is its design. You will experience a sleek, classy black triangulated frame and stylish Vilano decals only in Blackjack 3.0 29er model
  • As it made of handcrafted aluminum frame, you will never gel navigation problem anywhere. It is “Ready-to-Go” even rough and steep terrains.
  • If you do not like any shock or disturbance, this best cheap road bike has been made for you because it has an 80 mm suspension fork which absorbs any bumps or rocks without discomfort.
  • Consequently, its double alloy rims,29-inch gigantic wheels, FE-51 easy fire shifter provides accurate and easy biking.

In other words, if you have a plan to get a professional standard best pro-style bike under $300 with high quality and exposure you can confidently think about Vilano

If you want to make a thrilling biking memory in your holidays then by today you go ahead with Raleigh Talus 1 Recreational Mountain Bike which has meant for adventure trailers.

Although Raleigh produces a wide assortment of bicycles from child to adults Raleigh Talus 1 comes in 5 different sizes from 5″ tall to 6.5″ tall. Not only that, you can confidently rely on this bike for performing well because it consists of Shimano twister shifters, a 21-speed drivetrain, a strong steel frame, comfortable seat, wide 27.5″ wheels with 2″ tires. So, if it is down paved narrow paths or the sidewalk ends or a big street, it will come across all the obstacles swiftly and gives you a comfy feeling.

The only down parts you will see there is no suspension, but you will get addicted to other features for sure.


  • It made of a durable steel frame and an upright seat for a better vantage. It will also help you to ride comfortably by keep the neck and lower back in position.
  • For riding over bump and potholes area fastly, it has 27.5″ wheels and 2″ super tight tires.
  • The plush saddle and soft grips ensure to cross any path.
  • As it has a 21-speed drivetrain with reliable linear-pull brakes, you can fast and slow down effortlessly.

If you want the best inexpensive road bike for fun and enjoy events this would be perfect for controlling over. It can also withstand all weather conditions and save you from a nasty accident.


Schwinn High Timber Multile Sizes and Colors Bikes Best Mountain Bike Under $250

Best Mountain Bike Under $250

Another best and straightforward mountain bike under 250 is Schwinn High Timber Mountain Bikes. Schwinn one of the prominent bike manufacturer in the US recently come up with high timber model which has which has all the features it desires.

Its suntour suspension fork, SRAM grip shifters instead of the traditional trigger system, 21-speed gear and altogether 26″ wheel makes it more excepted to the bikers. Thanks to frequent gear changing rear derailleur and soft handlebars from Shimano which helps you to control the speed at any terrain.

Apart from this, you will also love its double-sided saddle which has high-quality padding and can make your seat for an extended period. However, taller riders may struggle with the frame but for the riders under 5″- 5.5″ this will be absolute fine.


  • First, we like to mansion the unique wheel size 29″ of this bike. It makes the enhanced motion and superb traction all the way.
  • Nest its 18″ thicker much stronger aluminum mountain frame for easy control.
  • To reduce fatigue and injury, it has a front suspension fork.
  • The tires of this bike come with a wider knobby and deliver secured stability.
  • Almost every bike has 21-speed rear derailleur, but it also has crankset along with speed.
  • Finally, for less maintenance, it has alloy crack and washable bike seat.


  • Easy to assemble
  • No additional tools needed.
  • Best performer for all roads.
  • Steel made the light frame.
  • 3 piece alloy crankset.
  • Amazing V brakes for sudden stopping.
  • Twisted shifting gears.
  • Super-absorbable front fork.
  • Great for the beginner.


  • The seat is a bit narrow.
  • Front wheel assembly required.
  • Liner pull brakes may problematic for someone.
  • Not up to a point for taller riders.

Invest once in Becoming Beginner to Expert:

This bike has got very straightforward looks, features, and performance. Therefore you can have a close look at it if you want a complete bike with reasonable price. Because after all, Schwinn High Timber bike is always ready to give you a thrilling riding experience.

Diamondback Bicycles 2020 Laurito Hardtail Best Complete Mountain Bike

Best Complete mountain bike

Our next choice is Diamondback Bicycles 2016 Laurito Hardtail Mountain Bike which is already famous for its high mount riding capacity. This model is unisex and comes in 2 different sizes.

For the massive wheel size and solid construction, anyone can roam around the town and hill with family. Not only that, but it also has twisted shifters, saddle, seat, brake and so on. Overall, it is just for an amateur rider who can roll confidently on any road and surface.


  • The main features are its 27.5″ giant wheel. It enables to ride more speedy with maximum protection
  • This bicycle comes in handy with total 40 pounds shipping weight. So, you can carry anywhere.
  • Regarding its construction, it consists of heavy-duty heat treated 6061-T6 aluminum frame which is lighter and durable.
  • The hanger of the frame is replaceable. So you can clean and fix again.
  • Not every bike mount the fenders, but Laurito Hardtail Mountain Bike does as because it has an adjustable seat and broader saddle. Both the hold the rider in place while mounting the rock.
  • For response quickly it has linear pull brakes with the mechanical disc.
  • Finally, for making the bike more speed, it has 3 chain rings and can make up to 21-speed. On the other hand for control the speed it has Shimano 7 speed rear derailleurs


  • Geometric shape frame.
  • Reliable brakes for start and stop.
  • Easy to mount.
  • Wider saddle.
  • Contented seat.
  • Heavy-duty gear system.
  • Awesome grips and handlebar.
  • 2 colors and 2 sizes available.
  • Great bike for the price.


  • Many plastics made components.
  • Cannot carry more load.
  • Best for the only beginner.

Incredible Considering Cost

Although some drawback you will get in every bike Diamondback Bicycles 2020 Laurito model is one of the best mountain bikes under $300 for both man and women. Because only some few branded expensive bikes wheels come in wide size and Diamondback Laurito is one of that. So, get the best in your budget.

Because only some few branded expensive bikes wheels come in wide size and Diamondback Laurito is one of that. So, get the best in your budget.

Kawasaki K26 Best Hardtail Mountain Bike

Best Hardtail Mountain Bike

Do you prefer a hardtail mountain bike? Particularly if you want to drive your bike naturally without a workout. Hereafter out of hundred hardtail bike we have chosen Kawasaki K26 Hardtail Mountain Bike.

There are a couple of reasons that Kawasaki proves. Additionally, its integrated features, price range, and performance attracts every teenager to adults. It promises to cover the maximum distance with minimum effort.

You will get all the benefits (steel frame, wide tires, alloy rims, 18 speed, twisted shifters, V-brake, removable seat) like suspension bike and extra hardtail feature can make you capable of driving any surfaces within the shortest time. We hope, you will able to trained up firstly if you have Kawasaki K26 hardtail bike.


  • It consists of a resilient steel frame to tackle all types of roads and competition.
  • Its resilient style front side fork assists you to come over any pavements or difficult paths easily.
  • Now come to its speed. It has got 18-speed drivetrain with easy pedaling ever. Its seat can also be comfy you when you need to change the speed.
  • Apart from the speed, it has Shimano index type twisted shifters and extraordinary linear pull brakes.
  • Lastly, you will also feel excited with its Shimano gears and 26″ wide tires over the wheel.


  • Easy pedaling with the 18-speed drivetrain.
  • 26″ tires with alloy rims.
  • Quick release seat post.
  • 1-year complete warranty.
  • Durable steel MTB frame.
  • Comfortable liner brakes for speed riding.
  • Derailleur finished with the reliable Shimano


  • Low quality brake.
  • No padded seat.
  • Some parts are poor quality.

Quality Full Hardtail Bike

We suggest to get you this hardtail bike instead of costly suspension bike if you are truly haunting for Best Mountain bike under $300. As we all know hardtail bikes are costlier. So, why do you want to miss this great opportunity?

Mongoose Status 2.2 Bike 26″ Wheel | Best Mountain Men’s Bicycle

Best Mountain Men's Bicycle

Mongoose Status 2.2 Mountain Bike is built for agility and countless response in every ride. The rigid aluminum MTB frame used for giving maximum support and keeps the vibration minimum on the rough and tough trail. Moreover, its hydro formed tube, front suspension fork, Shimano twisted shifters work nicely on bumpy space by full controlling.

You might also notice a unique drivetrain technique that provides optimal brake and gearing at any situation as it consists of the 3-piece crankset and multiple gears.  Regarding wheels and rims, it has got light, durable double alloy rims with 26″ wheels.

Do you know it’s an excellent choice as this type of motor can maintain the total weight of the bike while driving or change the direction more rapidly? Although it does not offer hardtail its construction and wheel hub design ensures maximum protection and nimble handling.


  • It supports any downhill and flat surface riding as because it consists of 21-speed Shimano derailleur and SRAM shifters.
  • As the model named 26″ wheel status 2.2, it has alloy rims, V brakes and three-piece crank for natural stopping and starting.
  • The frame is also made sturdy with aluminum and geometry shape.
  • For effortless driving in the tight area, it has a full suspension fork, riser handlebar.
  • What else! You can do anything with Mongoose.


  • Both front and rear adjustable suspension.
  • Quick release wheels are there both front and rear parts
  • Shifters are easy to use.
  • Gears can changed manually.
  • It made of aluminum instead of steel.
  • It comes with 5-years frame warranty and 1-year parts warranty.


  • The instruction manual is not informative. You may need to take the help of other sources.
  • Shipping issues are also a part of damaging parts.

Best for Beginner to Intermediate Riders

If you are an intermediate rider and wants to enjoy riding with creasy Mongoose Status 2.2, Mountain Bike would be the right selection. We suppose you will also agree with us and make a new history in bicycling.

Northwoods Aluminum Best Full Suspension Mountain Bike

Best Full Suspension Mountain Bike

If you are the beginner under 18 and taking a coaching class, then your coach might have suggested you look for Northwoods Aluminum Full Suspension Mountain Bike.

As it is a full suspension (can make the speed down) best mountain bike under $300 you will be able to become an expert soon by using this bike for practicing and riding. Furthermore, you will also see unbelievable features such as alloy seat clamp, 24″ alloy rims, swift gear changing along with 21 speed twisted shifters.

Out of this, you will also identify its 50mm steel based crown and crank, Shimano derailleur, kickstand, metal alloy rim, and unexpected 18-speed gear option. Do you know this is helpful to bike any terrain like snow, gravel, sand or even in the bumpy area?


  • The super cool aluminum frame offers you sturdiness and lightweight feeling.
  • It is dampening vibration resistant as it has comfortable wheels with 24″ alloy rim
  • You will not face any problem in assembling, maintaining, caring and storing.
  • It provides a good impact on movement and any performance. As because it has triple steel crankset for stability and longevity.
  • Like other best affordable mountain bikes it has a rear derailleur, 21 speed Shimano twisted shifters for efficient braking and easy handling.


  • Adjustable seat
  • Strong kickstand.
  • Comes with reflectors.
  • BMX style handlebar.
  • Steel made crankset.
  • Knobby tire
  • A complete suspension motorbike
  • 18 speedy gear.
  • Easy maintenance and assembly.
  • Best for recreation, off-roading or trail riding.


  • Plastic pedal.
  • No fix warranty for parts replacement.
  • It needs more energy to pedal full suspension bike.
  • Assemble required.

Suitable for Outdoor Cycling

If you want to have fun with bicycle and nature and continue enjoyable learning, then Northwoods Aluminum Full Suspension mike from Kent will meet your all desired requirements. It will also assist you to reach your destination quite interesting way.

Kent KZ2600 Dual-Suspension Mountain Bike|Best Mountain Bike Under $200

Our last product comes with exceptional and exclusive features. It is Kent KZ2600 Dual-Suspension Mountain Bike and trendy best mountain bike under $200. Notably, it has 65, dual suspension fork for both in front and rear side — most of you unknown about this exceptional feature you can get only in Best Mountain bike under $500.

As suspension fork provides extra safeties to the rider, you can easily get this extra benefits in this bicycle. Likewise, it also has a disc braking system with linear pull brakes, Shimano twisted shifters, and tourney derailleurs.

Apart from this it has soft padded seat, 36-spoke alloy rims, Vitesse wheelset, and adjustable saddle. So, if you are ready to get a bike experience that you have never thought yet, add Kent KZ2600 to your buying list and have unlimited fun with it.


  • Protection is the primary key point of Kent KZ2600 Dual-Suspension bike and comes with a 65mm suspension fork for cross over bumpy area securely.
  • For ensuring better control and travel-friendly, it made of an aluminum frame with 26″ width. Therefore, no chance to break easily.
  • Its braking system is also made outstanding. For front wheel, it has got a disc braking system for maximum weather protection. The other rear wheels it has linear pull breaking system for making the bike so speedy.
  • This bike is also extraordinary for shifters and striking derailleurs. Most of the bike has ordinary derailleurs whereas Kent KZ2600 has 21 speed Shimano shifters and tourney rear derailleurs.


  • Solid construction.
  • Quick release seat.
  • Best quality in decent price.
  • Protected dual suspension system.
  • Cheap parts and components.
  • Highly adjustable for all types of weather.
  • Easy to assemble.


  • Flimsy front brake.
  • The seat comes in hard padded.
  • Manual is not well-instructed.
  • Must be careful while assembling.

Nice Speedy Bike

If you want to make your sports day as a winning day without injured yourself badly, you should have an in-depth look at Kent KZ2600 Dual-Suspension Bike. For now, you can check the price, and if you are ok with it, you can immediately proceed for an order to enjoy the nice speedy bike.

Mountain Bikes – Finding the Right Size


Your Height Your Inseam Length Bike frame Size Descriptive Frame Size
4’11” – 5’3″ 25” – 27” 13 – 15 inches Small
5’3″ – 5’7″ 27″ – 29″ 15 to 17 inches Small-Medium
5’7″ – 5’11” 29″ – 31″ 17 to 19 inches Medium
5’11” – 6’2″ 31″ – 33″ 19 to 21 inches Large
6’2″ – 6’4″ 33″ – 35″ 21 to 23 inches XL – Extra Large
6’4″ and up 35″ and up 23 inches and up XL – Extra Large



Which mountain bike brand is best?

It is difficult to say which mountain bike brand is the best. But in our review, we have discussed the top branded products. Thus, if you analyze the marketplace, you will get to know this very clearly. However, Mongoose, Schwinn, Vilano, Diamondback, Northwoods, Merax has a comprehensive collection of bikes with different price ranges and qualities. It will be your choice to pick the right one.

Although we haven’t talked over about Nashbar and Mantis brand, these brands are also popular and standard for maintaining the quality.

Can I ride a mountain bike on the road?

We all know there are three different types of bikes are available.

  • Road bikes.
  • Mountain bikes
  • Comfort or hybrid bikes.

Read about Best Massage Bike Trainer Stand Bicycle Trainer’s Road Bike Trainer for Indoor Riding

And most of our first choice would be the mountain bikes as it is made sturdy and great for adventure. But the question arises of using it in the road or flat surfaces. Although it is natural as per the name we propose yes you can completely ride a mountain bike on the road without any hesitation. Now, let’s see the reason behind that:

  • For having geometric upright riding position, fenders and wide tires the mountain bike is pretty worthy for long-distance touring.
  • As mountain bike made of the strong aluminum frame, it can hold up against the severities and rigors of off-road riding.
  • Then you may think about knobby style tires, disc brakes, and suspension fork. But indeed this part will not create any problem.

Read About7 Unbreakable Tips and Techniques of How to Ride a Bike

How to buy your first mountain bike?

Ans: Buying first mountain bike without prior knowledge is quite a tuff job. Therefore, please follow the below steps especially if you are a beginner and going to get a new bike recently.


  • Fix your budget with warranty
  • Sex
  • Color, brand, and types (optional).
  • Bike user level- Beginner, Intermediate or expert.
  • Indoor/ Outdoor/ Recreation/ Fitness/Daily use.

In the shop:

  • Check out with all the components (wheels, brake, suspension system, speed, fork and so on)
  • Check out the parts materials.
  • Solid construction.
  • Assembled or not.

Start Using:

  • The most bike comes with 80%-85% assembled. So, complete assembly work.
  • Tighten any screw or nuts if you find anything loose.
  • Finally, you can start riding on the day itself.

How much does a mountain bike weigh?

Does mountain bike weight matter if we want to become a professional rider or wants to enjoy traveling by bike?

Our answer is, yes, of course, it matters a lot as you need to carry the bike in between the road. But, you will be surprised to know that mountain bikes usually come in heavier compared to another road bike as they have a suspension fork and additional gears.

As mountain bike is best for any rough or rugged terrain, it would be convenient if the weight is around 21-29 pounds maximum or 9-10 kilograms. Lesser than this would be fine, but we do not recommend to get the Havier than this.

What is size mountain bike right for me?

Bike size matters a lot for the rider while getting a brand new mountain bike. Because the riders comfort are correlate with the bike size. If you get too big size, it will make painful back pain and makes you uncomfortable.

On the other side, if the bike becomes too small for the rider, it may frustrate him while driving. So, here is the chart of which size mountain bike would be perfect for you?

Final verdict:

From the above questionaries’ and reviews you can make a solid decision of whether to purchase the best mountain bike under $300 or not. We highly expect you will value our opinion and find your comfortable budget oriented and more importantly a secured style best bike under $300.

Additionally, if you are confused about overall quality, brand, size or design of a mountain bike, our buying guide will let you know the general information about mountain bike according to your taste, preference, and needs.

Thank you so much for being with us.