The market for Best Mountain Bike Under $400 is a flooded one. There are a lot of options out there and a lot of them depend on what you want to do with the bike. What if you are new to mountain biking and you aren’t sure what to look for in a bike? What if you do not have a lot of money to spend, but still want to have an enjoyable bike ride? While there are plenty of high-end mountain bikes that cost thousands of dollars, there are also some great bikes that cost much less.
Picking the right mountain bike is just as hard as buying a normal bike because there are so many factors that decide which one will be best for you. If you want to decide what is the best mountain bike under $400, first, you will have to find out what you need from a mountain bike, and then go out and find the bike with the features and performance that is best for you.
Recommended Best Mountain Bike Under $400:
| Best Overall | Best for the Money | Best Cheap Pick |
|---|---|---|
 |  |  |
| Schwinn High Timber Mountain Bike | Hiland Shimano 21 Speeds Mountain Bike | Max4out Fat Tire 21 Speed Mountain Bike |
4.1 out of 5 stars | 4.0 out of 5 stars | 4.0 out of 5 stars |
| 21 Speeds / 27.5″ Wheels | 21 Speeds / 26″ Wheels | 21 Speeds / 26″ Wheels |
 | | |
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1. Schwinn High Timber Mountain Bike
Core Details:
| Manufacturer | Schwinn |
| Dimension | 53.5 x 27.5 x 8.5 ” |
| Size | 27.5 Inches |
| Weight | 46.7 Pounds |
| ASIN | B01NC3372D |
| Model No | S3029B |
| Product Rank | #5 in Mountain Bikes |
Detailed Description:
With a 16-inch lightweight steel frame, Schwinn High Timber Mountain Bike is the perfect bike for your neighborhood or trail ride. The 24-inch wheel frame fits riders 5’5 “to 6’0” tall. The bike comes with an alloy crank that provides consistent gear changes with less maintenance. This mountain bike has a swivel gear with a rear derailleur for quick and easy shifting.
A capacious, high-volume, lightweight hardtail that is made for the trail, the Schwinn High Timber is a mountain bike that is designed for durability and performance. The frame is made from Schwinn’s custom hydroformed aluminum alloy and is tapered down from top to bottom to produce a lightweight, rider-friendly frame. A 27.5 high profile wheelset that is tubeless compatible is engineered to roll over obstacles and grip the trail for smooth and comfortable cycling. Premium disc brakes are designed to control speed.
2. Eurobike 21 Speed Mountain Bike
Core Details:
| Manufacturer | EUROBIKE |
| Dimension | 53 x 28 x 9 ” |
| Size | 27.5 Inches |
| Weight | 40 Pounds |
| ASIN | B07V8HW27L |
| Model No | G7 Mag |
| Product Rank | #69 in Mountain Bikes |
Detailed Description:
Eurobike 21 Speed Mountain Bike comes with 21 Speed Shifting System that makes your cycling experience more enjoyable. Mountain bikes are equipped with shock absorbers in the rear and front the frame is sturdy and durable, and the ride is more relaxing. The wide and multi-tooth tires of mountain bikes provide excellent grip, and they come with shock absorbers to cushion shocks. Model G7 comes with a foldable mountain bike. It is simple to fold and unfold. Model S7 is a full suspension mountain bicycle that is an ideal choice for commuters or urban sports.
Whether you are looking for an efficient and safe bike ride to work and back, or you are an adventure seeker and want to enjoy thrilling bike rides with family and friends, this 21 Speed Full Suspension Mountain Bike will surely meet your needs. This bike is suitable for both adults and teenagers, and its removable front wheel makes it easy to store this bike in small places.
3. Hiland Shimano 21 Speeds Mountain Bike
Core Details:
| Manufacturer | HH HILAND |
| Dimension | 53.5 x 29 x 8 ” |
| Size | 26 Inches |
| Weight | 41.5 Pounds |
| ASIN | B086DCXFCT |
| Model No | AL132621_BK-2 |
| Product Rank | #12 in Mountain Bikes |
Detailed Description:
Hiland Shimano 21 Speeds Mountain Bike is ideal for novice riders who are looking for a mountain bike with XC tires that can also double as a tough commuter. Dual disc brakes and front suspension forks, 21 speeds, make it an ideal bike for novice trail riders and commuters on campus. Shimano 21 Speed drivetrain A wide selection of gears offers you greater control on the climb, as well as room to lower yourself on descents, corners, and jumps.
Hiland The H200 Mountain bike features a light aluminum frame that is loaded with features to make your riding experience more enjoyable. High-performance suspension forks make it fun for both novice shredders as well as experienced riders who ride through single tracks packed with loose bits. To ensure the safety of our customers, regardless of whether it is an adult or children’s bike, Hiland strictly adheres to American bicycle standards and has been certified to meet CPSC requirements of 16 CFR 1512.
4. Contrex Mountain Bike 26 Inch Wheels
Core Details:
| Manufacturer | Contrex |
| Dimension | 53 x 27 x 8 ” |
| Size | 26 Inches |
| Weight | 41.5 Pounds |
| ASIN | B0979D895M |
| Product Rank | #22 in Mountain Bikes |
Detailed Description:
The Contrex Mountain Bike 26 Inch Wheels is a smart choice for young riders with an active lifestyle. This bike is perfect for MTB trails and is built to endure tough terrain. The 21-speed Shimano rear derailleur with SRAM grip shifter provides quick and smooth gear shifting. A Contrex 26-inch mountain bike also has a front disc brake for great stopping power and a rear brake for more stopping power. The lightweight frame is great for trail riding, which is designed for safety.
The Contrex 26 Inch Mountain Bike features 26-inch wheels, a steel frame, front disc brakes and a rear brake. The bike has a 32-hole double-wall rim and V-brakes for great stopping power. The Contrex 26 Inch Mountain Bike weighs 32 pounds. The Contrex 26 Inch Mountain Bike is designed for safety, comfort, performance, and durability at an affordable price. It also comes with a lightweight frame that allows for it to be easily maneuvered.
5. Mongoose Flatrock Hardtail Mountain Bike
Core Details:
| Manufacturer | Mongoose |
| Dimension | 58 x 29 x 8 ” |
| Size | 29 Inches |
| Weight | 43 Pounds |
| ASIN | B08PXN962L |
| Model No | R5864 |
| Product Rank | #89 in Mountain Bikes |
Detailed Description:
Mongoose Flatrock Hardtail Mountain Bike is a swift and versatile mountain bicycle, with a 21-speed set-up that allows you to ride on all terrains with ease. The Mongoose Flatrock includes SR Suntour XCT HLO 100mm fork and 21-speed Shimano drivetrain, making it a versatile, easy to control and smooth ride. You get Shimano twist shifters and a Shimano SIS rear derailleur. The Mongoose Flatrock is a majestic mountain bike for riders who value simplicity with rugged performance.
It all adds up to a fast and versatile adult bike that is ready to rip down trails and streets. The Flatrock features a durable alloy frame and quick-handling, light-alloy rims. The bike is designed with a suspension fork for a smooth ride over the rocks and roots.
6. Redfire 21 Speed Adult Mountain Bike
Core Details:
| Manufacturer | Redfire |
| Dimension | 53.25 x 28.8 x 7.8 ” |
| Size | 27.7 Inches |
| Weight | 43.5 Pounds |
| ASIN | B09BYNLSTQ |
| Product Rank | #11 in Mountain Bikes |
Detailed Description:
If you are looking to purchase a basic mountain bike that is elegant and durable, and has many functions and high-performance brake effects, at less than $400 If you’re not looking to spend money on many bicycle components the mountain bike is an excellent choice. The Redfire 21 Speed Adult Mountain Bike is equipped with a SHIMANO Tourney Transmission which is easy to keep steady and is suitable for rough terrains. This mountain bike utilizes an INTERNAL CABLE ROUTING system and invisible welding technology that is commonly used on premium mountain bikes.
A lightweight aluminum frame with a strong and lightweight suspension fork for longer rides. Alloy rims add strength and stability. Lock-out suspension forks handle bumps and dips to provide a more comfortable and smoother ride. All-terrain tires can conquer dirt trails, gravel roads and roads that are rocky. 90% of the tires are pre-assembled, simple to put together, no pedals required, and tools for assembly included.
7. AVASTA 27.5 Inch Adult Mountain Bike
Core Details:
| Manufacturer | AVASTA |
| Dimension | 55 x 29 x 8.2 ” |
| Size | 27.5 Inches |
| Weight | 44.5 Pounds |
| ASIN | B09CD8KCV7 |
| Model No | AV-560 |
| Product Rank | #51 in Mountain Bikes |
Detailed Description:
The AVASTA 27.5 Inch Adult Mountain Bike is the strength and lightness of a steel frame made of high carbon with a Lock-Out suspension fork which absorbs bumps and thumps and provides you with a thrilling comfortable, long-lasting riding experience. Its AVASTA mountain bike comes with an extremely light and sturdy high-carbon steel frame that comes with a suspension fork with the performance that absorbs bumps and thumps, providing you with a thrilling and durable ride.
Trigger shifters work in conjunction with rear derailleurs to make shifts that are smooth and easy to enable uphill climbing or downhill riding. It is also great for pure acceleration, keeping you advancing through the various terrains that you encounter. 3 gears front derailleur and 9 gears derailleur deliver 27 speeds of ultra-smooth shifting. The wheels come with a double-wall aluminum rim for lightweight strength and durability. additional durability. They also have all-terrain tires to ensure long-lasting riding. The bicycle was 90% assembled using tools for assembly. It was easy to put it together in just 20-30 minutes.
8. YilwnnCse 27.5 Inch Mountain Bike
Core Details:
| Manufacturer | YilwnnCse |
| Dimension | 53.3 x 27.7 x 7.8 ” |
| Size | 27.5 Inches |
| Weight | 44.5 Pounds |
| ASIN | B09DGS2GYC |
| Product Rank | #140 in Mountain Bikes |
Detailed Description:
Let us experience the joy of riding at its best with the YilwnnCse 27.5 Inch Mountain Bike! Experience the speed of the wind and the heat of the sun. Its frame YilwnnCse bicycle is made from aluminum alloy. Lighter, anti-rust and robust, and resistant to oxidation. It is less heavy than steel, which allows which makes it easier to accelerate and for better handling. Shimano front/rear derailleur Shimano left and right Shift Lever Set will give you a more comfortable riding experience. Shifting is easier and more long-lasting. Quality and durability will provide you with pleasure riding.
7-level positioning, made of steel with more speed options that are suitable for a range of terrain and require less effort required to take to. Additionally, we include a rear derailleur guard to assist you in transferring your bike. The aluminum frame, sturdy support, and ergonomic design, as well as resistance to corrosion and wear, give you a secure and reliable transportation solution.
9. Max4out Fat Tire 21 Speed Mountain Bike
Core Details:
| Manufacturer | Max4out |
| Size | 26 Inches |
| Weight | 44.5 Pounds |
| ASIN | B07Z37H8ML |
| Model No | T01010B-1 |
| Product Rank | #8 in Mountain Bikes |
Detailed Description:
Max4out Fat Tire 21 Speed Mountain Bike is equipped with 21-speeds to handle the hills and the gear switch is amazing. All-terrain wide knobby mountain tires are mounted on lightweight and durable alloy wheels that offer additional stability. A solid frame mountain bike frame and a high-quality welding process create a strong and stable cruising bicycle. To avoid any confusion and miscommunication. For riders of various heights, take on any off-road terrain easily, with a size that is suitable to accommodate adult riders of 5’3″ to 5.6 feet high.
The bike comes with 85% of the components assembled. It is necessary to put in the front wheel and handlebar, pedals, seat, and fill on the tire. The instructions for bike installation are in the box, make sure to take the time to read it before installing the bike, and then set the speed and brake system.
10. OBK X3 29” Mountain Bike
Core Details:
| Manufacturer | OBK X3 |
| Dimension | 50 x 28 x 8 ” |
| Size | 29 Inches |
| Weight | 35 Pounds |
| ASIN | B0B1J6Q3WY |
Detailed Description:
The OBK X3 29” Mountain Bike features a Steel Mountain frame, as well as a strong suspension fork that absorbs bumps and thumps and provides you with a thrilling and durable ride. Both the brake and the speed change line are located inside the frame. Shimano trigger shifters are paired along with the back Shimano derailleurs to make the ability to change gears quickly and smoothly to allow for climbs uphill and downhill riding or pure acceleration to keep your speed up regardless of the obstacles in your way.
The frame design is distinct from the conventional mountain bike frame. The modern paint baking process makes the look of the bike beautiful. Internal cable routing creates smooth, neat lines while giving extra security. Invisible welding technology makes an improved connection at each tube junction while enhancing the sleek appearance of the bike.
Some important features to Consider While Buying the Best Mountain Bike Under $400
If there is a particular part of your bike that you do not need to sacrifice on the frame, it is that. This is because you can easily change the gears, brakes, and other components but you are not able to improve the frame without purchasing a new bicycle.
Material
Two aspects of mountain biking frames that you should take into consideration are size and material.
High Tensile Steel: This material is affordable and sturdy but extremely heavy. It is typically used in low-end bikes, and the most serious mountain bikers are not going to touch it.
Chromoly Steel: A different alloy (using molybdenum and chromium) as compared to high-tensile steel. it is a bit lighter and more rigid however it costs more.
Aluminum: An aluminum frame is lighter than chromoly however, it is not as sturdy. A well-constructed chromoly frame is more durable than an aluminum frame. Aluminum is an excellent choice for balancing weight and cost for intermediate cyclists.
Titanium: This material is extremely light and durable. But welding it can be challenging, which is why certain titanium frames are known for having joints that break. The price for titanium frames has dropped significantly, however they are found on top-of-the-line expensive bicycles.
Carbon fiber: While extremely light and strong carbon fiber is expensive and vulnerable to and causes damage. Carbon fiber frame frames are designed for the most competitive mountain bikers.
Find the correct size
Everything else is irrelevant to the proper frame size. Do not be based on the stated dimensions – although many companies are shifting to smaller medium, large, and small instead of increasing incorrect figures, (seat tubes are shrinking, even as frames become longer) There’s no universal definition of what, for example, is large. The size of one brand may not match with another is medium.
Select a wheel size
Diameters have settled down to an uncomplicated, binary option of 27.5in (650b and steep trail, and aggressive downhill) or 29 inches (XC as well as a trail). However, larger sizes with wider rims and the current trend toward 29-inch downhill wheels are creating a mess in the waters. The extra size can make a difference on hardtails however they are sensitive to tire pressure, and there is some doubt about whether they are going to be around forever.
Select a full suspension or hardtail
Rear shocks, the bearings, the linkage, and additional manufacturing complications of a complete suspension will cost the same amount of money. This means you will find a higher quality parts specification for a hardtail than one with full suspension at the same cost. You will need less maintenance and fewer issues to be a problem, too.
Do not obsess overweight
Weight is important, however, off-road, strength may be marginally more crucial. The flimsiest of bikes is not a promising idea when random stones root and ruts take you by surprise from any angle. Steering control, precision, and confidence are all affected as they drag your speed down and with it. It is better to take an extra pound as well as keep the bike away from the hedge. It is also away from the workshop as well.
Beware of glittery trinkets
Do not fall for an attractive back mech (derailleur) It is common for them to be upgraded to increase the value of the bike. A high-quality mech is essential as are the cranksets and the shifters and chainrings are not much further behind. Be aware that low-spec components weigh more, are less sophisticated, and are not worth paying the extra for, so be sure to include your plans for upgrades in the future. FSA has a wide selection of high-quality MTB components on offer.
Choose suspension quality, not quantity
Review the feedback on those forks or shocks of the bicycle you are considering and then visit the website of the manufacturer to obtain the exact model. Be aware of the fact that OE (original equipment) units may have more expensive (often less) specs than comparable aftermarket versions. Good damping and a good air spring can do better than any extra travel.
Look for a futureproof design
Look up the current and popular axle dimensions and spacing and spacing, as well as a headset, bottom bracket, and even Seatpost diameters. You will be unable to find the ever-popular drop spot post (for changing the height of the saddle on the fly) with the smallest diameter such as. Internal routing for stealth droppers is also recommended but the cabling and brake hosing that is internal to the gear in terms of looks could reduce noise and maintenance ease.
Keep some budget back
It is recommended to wear use a specific trail helmet due to its better coverage, more durable construction, and good height. It is also possible to get glasses, a backpack, or a backpack to keep out flying crud. Also, there are sticky shoes that are suitable for flat pedals or mountain bike-specific shoes, cleats, and clipless pedals.
Conclusion
A good mountain bike is an important part of any outdoor enthusiast’s life, whether they are on a trail or just taking a leisurely ride through the neighborhood. A mountain bike can allow you to go farther and see more. But with the sheer number of different mountain bikes available and the price tags that come with them, choosing the right one can be a daunting task.
We wrote this post to help you make an informed decision about Best Mountain Bikes Under $400 and how to find the perfect one for you.
FAQ’S
What Is a hardtail mountain bike?
Mountain bikes with no rear suspension are often referred to as hardtails. Hardtails are perfect for playing with, performing jumps, participating in street trials, or simply cruising along your usual trails. Hardtails are rougher on their surface, which enhances the sense of speed even if you are not the fastest.
Is mountain biking effective for burning belly fat?
Despite the challenges in losing belly fat, cycling with the aid of a mountain bike is effective in burning fat in general. A study has found that cycling can aid in fat loss and help in maintaining a healthy weight.
Is $400 enough to buy a mountain bike?
If you are committed to mountain biking and are looking to buy a long-lasting high-quality bike that will last for years on roads or trails, we do not recommend anything under $1000 as most bikes that are cheap will not last exceptionally long in difficult terrain conditions.
If it is an occasional recreational or hobby sport, there are several alternatives we have listed in the previous paragraphs – but make certain to be aware of your limits!