Best Mountain Bikes Under 400

The Best Mountain Bikes under 400 With Buying Guide

Mountain biking is an excellent sport that can be done alone or with others. However, it can also be quite expensive. This is why we have compiled this list of the  best Mountain Bikes Under 400. You can enjoy the great outdoors while also getting a good cardio workout with a bike that is affordable. You'll not only lose weight and get in shape but also have the opportunity to escape from the stresses of daily life. It is crucial to find the best bikes below $400.

A reliable mountain bike will last you a lifetime. However, many people are tight on budgets and don't want it to cost thousands of dollars. You don't want something cheap, but a good mountain bike that is durable will last you many years. Check out our list to ensure you find the right mountain bike for you.

Prime Day Note: Amazon has some amazing deals on Mountain Bikes in celebration of Prime Day. Check them out: Prime Day Bike Deals

Quick Answer: The Top 10 Mountain Bikes under $400

Best Overall - Hiland 27.5

Best Overall – Hiland 27.5" 21 Speed Mountain Bike

In stock

Check price

Great Value - SIRDAR S-900 27.5

Great Value--SIRDAR S900 27.5" 27 Speed Mountain Bike

In stock

2 available starting at $304.42

Check price

Best Fat Tire - YaYiYa Fat Tire Mountain Bikes

Best Fat Tire YaYiYa Mountain Bikes

In stock

Check price

Best Folding - Eurobike 27.5

Best Folding Eurobike 27.5" 21 Speed Full Suspension Folding Mountain Bike

Out of stock

Check price

Best Budget - Max4out 26

The Best Budget - Max4out 26' 21-Speed Mountain Bike

In stock

Check price

Last update on June 22, 2021 at 6:06 pm

Best Mountain Bikes Under 400 Dollars Reviews

Detail Review of the Top 10 MTBs Under 400 Dollars

To help you make a purchase decision, we tested and reviewed many bikes. This guide will help you select the right bike for you.

Mountain bikes are made with a strong, rigid frame. You should have tires with a wide tread that can withstand the worst terrain. Mountain bikes have many common characteristics with other bikes. However, they also have special characteristics to improve durability and performance.

Mountain bikes are often used on unpaved roads and rough trails. Mountain bikes should be sturdy and safe. Otherwise, you could be injured. Since the 1970s, this sport has been very popular. Many models have been improved and made safer.

1. Hiland 27.5 Inch 21 Speed Mountain Bike

Hiland makes a great range of affordable mountain bikes. Their 27.5-inch 21-Speed MTB is a fantastic choice. The aluminum frame is sturdy and the double disc brake system allows for easy operation on both steep and hilly terrains. Overall, Hiland offers great value for money with solid mountain bikes that cost only a few hundred dollars.

 Check the latest price

Shimano's gear shifters are 21-speed and can be adjusted as required. There are many color options and different sizes of tires. It is a great bike, at an affordable price. This makes it one our favorite bikes.

2.Sirdar S-900 Mountain Bike

Sirdar is relatively new to the mountain bike scene. However, they are quickly gaining popularity with their high-quality yet affordable mountain bikes. Because of its combination of design, performance, and value, the Sirdar S-900 is a great value for money.

 Check the latest price

The Sirdar S-900 comes with an aluminum suspension fork. The 26- or 29-inch wheels can be used to glide up mountains, along paved roads, and on dirt and gravel trails.

Sirdar S-900's overall design is designed to balance high-performance with maneuverability. Made from a high-quality alloy of aluminium, the frame is strong and durable. The S-900 is strong enough to withstand years of abuse and can also withstand water damage. All parts of the bike have been made from carbon steel. This ensures long-lasting durability with little need to replace them. You can adjust the suspension fork to suit different terrain.

The S-900 comes with a front and rear derailleur. There are 3 and 9 gears, respectively. You can choose from 27 speeds to suit your riding style, goals, and location. We love the smoothness of the gear transitions. The shifters are well-placed, designed, and there is no delay when you are changing gears.

The Sirdar S-900 has a three-speed front derailleur and a nine-speed rear derailleur. This gives the rider a total of 27 speeds. This allows the rider to enjoy both steep mountain roads and flat highways with equal comfort and efficiency.

The Sidar S-900's super-easy assembly is another great feature. The bike comes pre-assembled so it is easy to set up.

The Sirdar S-900 is a bike that offers a remarkable combination of affordability, performance, quality craftsmanship, durability, and value. It's one of the most affordable bikes under $400.

A Glance at the Features

  • All terrains are perfect for 27-speed and 27.5-inch wheels
  • High-quality aluminum frame with long-lasting steel parts
  • Easy set up and use - 95% of the bike is already assembled
  • All your concerns covered by a 1 Year Warranty

3.Merax 26'' 24-Speed Mountain Bike

Merax, a company that offers mountain bikes, was established in Los Angeles in 1995. Merax is a brand that targets the beginner cyclist. They also offer a lower price range.

 Check the latest price

The 26-inch wheels on this Merax mountain bike are perfect for anyone over 5'5". 26" was the original size of mountain bikes. A smaller wheel gives you better acceleration. In recent years, however, suppliers started offering 29" and 27.5" wheels. The bigger the wheel, the more the bike will be able to ride over obstacles. Large wheels also increase top speed, but have lower acceleration.

The Shimano derailleurs are well-respected and the 21 speed derailleurs on the Merax 26'" mountain bike will make it so much easier to ride, especially when climbing steep hills. The disc brakes also improve performance and braking responsiveness.

Both front and rear suspensions are available on the Merax. This allows for more comfort, as well as maintaining ground contact on rougher tracks. The seat was designed to better fit your body and make your ride more comfortable.

The 26-inch Merax mountain bike is an affordable entry-level option that makes mountain biking more accessible. It is designed for comfort and has 21-speed derailleurs and smaller wheels. This bike will perform better than larger models with larger wheels. This Merax mountain bike deserves a high ranking in our Best Mountain Bikes Under 400 list.

A Glance at the Features

  • 26 inch wheels give you fast acceleration.
  • 21-speed Shimano derailleurs, top brand, high quality product
  • Safe dual disc brakes – Disc brakes are a must-have for mountain bikes.
  • Aluminium frame lightweight - lighter and more responsive.
  • Weight Capacity 330lbs - One of the highest weight limits

4. Schwinn Traxion Full Dual Suspension Mountain Bike with Aluminum Frame

The Schwinn Protocol mountain bikes are smooth to ride. The dual suspension means that the bike ride is no burden on your shoulders and wrists. This bike is safe when riding on a rough, uneven, or dirty mountain trail.

 Check the latest price

You can climb steepest hills with ease thanks to the 24 speed settings. This bike is easy to use for novice bikers and offers the best value for money.

The mountain bike is light and strong thanks to its triple-piece cranks and double-walled alloy wheels. A lightweight aluminum frame makes the bike ideal for any rider.

The bike's sturdy build will ensure that it lasts a lifetime. It is ideal for daily use because the tires are knobby. It is very easy to assemble and take apart, making it one of the most cost-effective mountain bikes.

A Glance at the Features

  • You can ride effortlessly with dual front and rear suspensions
  • At 44.5 pounds, the weight is light which enhances maneuverability and comfort.
  • For effortless steep climbing, Shimano 24-speed shifters are ideal
  • Shimano rear derailleur
  • For supreme control, use strong and light alloy wheels with knobby tires
  • Maintenance is lower than other mountain bikes

5. Mongoose Impasse Men’s Mountain Bike

This is a great option if you're looking for lightweight, high-performance MTBs under $400. The Mongoose Impasse Men's Mountain Bike is made from aluminum, which improves both comfort and performance. The alloy wheels are lightweight and easy to use on rough terrain. The alloy used to make the disc brakes for both the front and rear wheels is extremely versatile.

 Check the latest price

Mongoose Impasse Men's Mountain Bike riders rave about the SRAM twist shifting shifters, which allow for quick gear changes. There are two versions of this mountain bike: Impasse HD or Impasse. The Impasse HD model is more comfortable and features-rich than the Impasse HD.

This mountain bike weighs in at 47.6 pounds, which is approximately 21.5 kilograms. This bike can be assembled quickly and easily at home using basic tools. This bike is ideal for bikers who enjoy riding on gravel roads, trails, uphill, downhill, or daily rides in city parks.

A Glance at the Features

  • It is easy to install at home using the basic tools, without professional assistance
  • Aluminum frame with allow wheels makes it lightweight and easily maneuverable
  • Dual disc brakes provide supreme control in all conditions
  • Shimano rear derailleur 21 speed Shimano
  • All weather and terrain conditions are compatible
  • Extremely comfortable, economical, and suitable to beginners

6. 6.

The Schwinn high-torch mountain bike is a great choice for anyone looking for a mountain bike under $400. It comes with a 7-speed gear system that allows you to ride the bike on almost any terrain.

It has a durable front suspension that makes it easy to ride in all conditions. This mountain bike is light and easy to ride, even for beginners thanks to its alloy rims.

 Check the latest price

Its front and rear alloy linear-pull brakes provide the best stopping power. This braking system ensures that you can stop precisely even in wet conditions.

This mountain bike is lightweight thanks to its Schwinn steel frame. You can double this bike to use it daily on roads, parks, trails and rugged terrain.

The bike can be assembled quickly and easily by anyone with basic tools. It is easy to assemble and is suitable for all ages and weight classes.

You have the option of choosing between an aluminum or steel frame depending on how heavy or lightweight you need your bike to be.

A Glance at the Features

  • 7-Speed Shimano twistshifters allow for precise gear shifting, and Schwinn alloy cranks ensure stability
  • All-terrain tires and dual alloy wheels
  • For efficient braking, front and rear linear-pull brakes are available
  • This book is suitable for all ages, including beginners.
  • For enhanced comfort, place your front foot for maximum support
  • It is light in weight, but durable in harsh conditions
  • Simple assembly with basic tools and no professional assistance

7. 7.

The Mongoose Dolomite fat tires men's mountain bikes are distinguished by their build. This brand is among the most affordable mountain bikes. It has a special quality. These super-sized knobby tires can take you on almost any terrain.

 Check the latest price

The mountain bike has disc brakes for the rear and front tires. Safety is a top priority for beach cruiser riders thanks to the disc brakes and beach pedals. With the only tools you have in your garage, this bike is easy to assemble.

It can be used by adults and teens alike because of its adjustable height. The mountain bike is lighter thanks to the lightweight alloy wheels. Shifters with 7-speed and twist make it easy to change between gears while riding the bike in various conditions.

Steel is used to make the frame. This reduces its weight and improves maneuverability. This bike can be used by anyone who is 6 feet tall or less.

A Glance at the Features

  • 7-Speed Shimano drivetrain allows for simple gear shifting during riding
  • Fat tires are able to withstand all terrain and weather conditions.
  • Additional safety: Front and rear disc brakes
  • Alloy rims are lightweight and durable.
  • It is easy to assemble and does not require any complicated tools
  • This bike is ideal for daily park rides, off-road trails and mountain tracks.
  • Maintenance costs are low

8. 8.

Although there are many mountain bikes on the market, it can be difficult to find the right one. You need to ensure that your bike is stable and safe on all terrain. This mountain bike is sturdy and long-lasting. This bike is affordable and has 24 speeds. It is sturdy and a great bike for beginners and entry-level mountain biking.

 Check the latest price

Advanced Aluminum frames are extremely durable and strong. It will not bend or break and will remain in great shape, even on rough trails. Aluminum is also very light. Your bike will be fast and easy to handle. It features a single pivot technology and an adjustable lockout the rear coil. This bike is extremely shock-absorbing and one of the best. It is stable even through bumps.

The bike has front and rear suspensions for easy control. It is easy to replace the quick-release wheels. You can also choose from different sizes to fit your frame. It can be ridden safely and comfortably regardless of your weight. Different abilities can be accommodated by the different speeds. You can explore even the most difficult trails easily if you take a few minutes to put it together.

A Glance at the Features

  • A high-quality aluminum frame that won't break or bend.
  • Stability and safety on the roads are assured by durable construction
  • For your convenience, sturdy quick release wheels
  • For easy control, rear and front suspensions.
  • There are 24 speeds and a variety of sizes available for different frames.
  • It can be safely ridden on even the most challenging trails.

9.Max4out Mountain Bike Review

This classic mountain bike is great for off-road riding. These 26-inch wheels have chunky tires that provide excellent traction. The disc brakes, which are super-efficient and safe, are also easy to use.

 Check the latest price

Maxout has 21 gears. The Maxout's 21 gears are more hype than reality. You only need to have the right gears for your needs. A low gear is for climbing hills and a high one for maintaining comfortable speed on flats. You may want to have fewer gears. This should not be an issue when you make your decision about buying.

The mountain bike features a 3-spoke wheel design with chunky tires for increased grip and traction in off-road conditions.

The mountain bike can be described as a "stunt bicycle" and its design allows users to use it on trails (self-made dirt jumps), or flatland. This style involves spinning the bike and keeping it balanced while the bike is being maneuvered in an extreme manner.

A Glance at the Features

  • A sturdy frame is a guarantee of a durable bike.
  • Off-road tires on a 26" three spoked wheel
  • Stunt Bike- Versatile design that can be used for both flatland and off-road stunts
  • Design adjustable - suitable to riders of different sizes
  • Simple assembly - There is not a lot of assembly required

10. Raleigh Bikes Talus2 Mountain Bike

You need to ensure that your mountain bike is sturdy and reliable when you're looking for one. You should also ensure that the mountain bike you choose is suitable for your body and build. No matter your height, there is a mountain bike for you. The mountain bike is available in four sizes to fit different frames and builds. The sizing chart can be viewed to help you choose the right size.

 Check the latest price

This mountain bike is an excellent entry-level model. This bike is the place where adventure begins and the pavement ends. It is ideal for daily commuters and rough riding. The suspension fork is 27.5 inches. The fork absorbs shocks from rough terrain and will allow you to ride comfortably, even if your not an expert. This bike has 2 inch wheels. They can roll smoothly and comfortably over gravel and rocks.

Because it has reliable shifters, this mountain bike is a favorite of customers. This bike can be used on all terrains thanks to its 21 gears. This mountain bike is a great choice if you're looking for a reliable and affordable mountain bike.

A Glance at the Features

  • A mountain bike for under $100 that will meet all your needs.
  • This well-built bike is available in four sizes to fit different frames.
  • It is suitable for daily commutes as well as wild adventures and adventures.
  • Stability and reliability with a reliable suspension fork
  • You can rely on reliable shifters with 21 gears.

11. 11.

This mountain bike is a great option if you're looking for a budget-friendly option with mountain bikes under $400. You get all the features you'd expect from a mountain bike, plus 21-speed gears that make it easy to use.

 Check the latest price

Your mountain bike will look even more glamorous with the 3 spoke mag alloy wheels. This mountain bike has disc brakes on both the front and back tires for safety. The bike weighs less than 20 kg or about 40 pounds. The bike is much more user-friendly than other bikes on the market.

You don't need any special skills to assemble the bike. It comes in a semi-assembled box. You will also receive the necessary tools to assemble your mountain bike. You don't have to search for them on the market.

This bike is suitable for anyone who is over 5" 7 - 6, with a maximum weight of 300 lbs or 130 kgs. It can be used in all weather conditions and has excellent braking efficiency downhill.

A Glance at the Features

  • Its weight is lower than its market competitors
  • 21-speed gears are available for uphill and downhill riding.
  • Rear and front disc brakes are safer than linear brakes
  • Good weight capacity
  • Easy assembly with the provided tools
  • It is durable and stylish with 3 spoke mag alloy wheels.

11. 2021 Gravity LTD Dual Suspension 21 Speed Mountain Bike

Many people feel lost when searching for the right mountain bike. Some products are too heavy, making them difficult to handle and control. Lightweight models may not be as stable on the trails. The 2021 Gravity FXX Mountain Bike is a solid product that will not break down. Even on the most rugged terrains, the FSX will not bend or break. Even if you're not a mountain biker, this bike will keep you confident and safe. This bike is the perfect blend of speed and sturdiness.

 Check the latest price

Gravity FSX is a lightweight, yet sturdy mountain bike. The aluminum frame is strong and lightweight, allowing you to ride fast on your mountainbike. You can also be certain that your bike will not be damaged if it hits a stone. You can control your bike on even the most challenging trails with front and rear brake discs.

The Shimano Shifters are easy to use and provide a smooth ride. You can adjust the suspension to suit your needs. The suspension features light, strong double-wall wheels that provide a smooth ride on the roads. You can also change the wheels quickly and safely at the rear and front with quick release. There are 24 speeds available and it comes in different sizes to fit different heights. It is extremely comfortable and won't strain your back, even if you are riding it for long periods of time. The Gravity FSX Mountain Bicycle is an excellent combination of quality, durability, affordability, and performance.

A Glance at the Features

  • Aluminium mountain bikes that are lightweight and won't easily break or bend.
  • You can safely ride on even the most rugged and wild trails.
  • Front and rear disc brakes
  • Quick-release wheels
  • You have 24 speed options for adjustable suspension.

Buying Guide for Best Mountain Bikes Below $400

A good mountain bike will allow you to fully enjoy the experience. After you've started to explore mountain biking , it is important to buy a quality mountain bike. There are many models and types on the market, so choosing the right one can be difficult. We offer some tips to help you select the best mountain bike.

i. The Suspension Type

Rigid bicycles are rare. These bikes are cheaper and easier to maintain. Most riders prefer to ride bikes with suspension as they offer more comfort. Hardtail bikes come with a front fork, which absorbs the shock of the front wheel. The back wheel of this model will not have suspension.

These bikes can be used easily and often have a lockout option. The lockout feature can be used when you feel more comfortable riding a rigid bicycle. These bikes permit power transfer between the pedals and the rear wheels. These bikes can be used for all types of mountain biking, except when you're going downhill.

Full suspension bikes have a front fork, and rear shock absorption. This allows you to ride comfortably despite the trail's impacts. This reduces the impact of the trail on the rider and provides a more comfortable riding experience. These bikes are fantastic, but they can cause you to lose some energy when you go uphill. For better power transfer, these bikes can usually lock the rear suspension.

ii. The Wheel Size

There are many sizes of wheels. The larger the wheel, the more powerful it will be. Even on bumpy terrain, the wheels will roll more smoothly. You might be less comfortable with smaller wheels, but they will allow you to maneuver on bumpy terrain.

iii. The frame material

If you're looking for a mountain bike that's both reliable and quick, this is the one. Aluminum is a popular material because it is lightweight but very strong. Aluminum is strong and lightweight, so it won't rust even on the most challenging trails. The bike is also fast, which makes it great for mountain biking.
Another sturdy material is carbon steel, which is cheaper than aluminum. A carbon steel mountain bike is a great option if you're looking for a reliable bike that won’t break the bank.

iv. Mountain Bike Gears

Your fitness level and terrain will determine the number of gears . You should choose more gears if you ride on steep trails or climb hills. You can use fewer gears if you are only riding on flat terrain. Your bike will be lighter and more manageable.

V. The bike size

It is important to ensure that your size and weight are well-matched. You will feel more confident on the trails if your mountain bike fits well. The size charts correspond to your height. It is better to choose a smaller size than a larger one if you are in between sizes.

vi Easy assembly and maintenance

Mountain bikes don't come assembled. You can put it together with a few tools. If you're not an expert, it is worth spending more time and asking for help from a professional. You don't need many tools to maintain some bikes. You will be able maintain your bike easily if it has quick-release wheels.


It is clear that the internet has the best mountain bike selections. The information provided can be used to help you choose the right mountain bike for you. Mountain bikes are available in a variety of sizes and materials to suit everyone. There are many factors that can help you select the right mountain bike.

Stability and durability are important. Stable wheels and a suspension fork will allow you to ride safely and comfortably. It is important to ensure that your purchase of a durable product won't cause damage or bend easily. You need to ensure that your bike can withstand the most difficult terrains. This will allow you to enjoy mountain biking to its fullest.