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Top 10 Best Mountain Bike Under 300 Reviews & Comparison [Update]

We all know that the best mountain bike under 300 is one of many out there. That’s why we’ve taken 84162 reviews from top experts and organized them according to our rankings for you. 

We know how hard it is to find a great mountain bike under 300, which is why our team went through the whole research process and put up this list for you. These are just some of their favorites!

We have been exhaustive in our search for the perfect mountain bike under 300 of 2025. If quality matters most, then check this list: 

Bestseller No. 1
Vivi M026TGB Electric Bike 26" Electric Bike for Adults, Peak 750W Folding Electric Mountain Bike, 48V Removable Battery Ebike, 21 Speed System Electric Bicycle, Top 22 Mph, Up to 50 Miles, UL 2849
  • 【𝐂𝐞𝐫𝐭𝐢𝐟𝐢𝐞𝐝 𝐒𝐚𝐟𝐞𝐭𝐲 𝐚𝐧𝐝 𝐐𝐮𝐚𝐥𝐢𝐭𝐲】: Vivi M026TGB is UL2849 certified (Certificate Number: SGSNA/24/SZ/00143). For your personal and property safety, make sure to get an electric bike with a UL 2849 certification, it'll give you the best peace of mind
  • 【𝐅𝐨𝐥𝐝𝐚𝐛𝐥𝐞 𝐀𝐥𝐮𝐦𝐢𝐧𝐮𝐦 𝐅𝐫𝐚𝐦𝐞】: The Vivi folding electric mountain bike features stronger aluminum frame than carbon steel and less prone to breakage. It can quickly fold up for easy storage in your car trunk or at home. It's easy to carry, so you can start your ride anytime. The folding electric bike is equipped with adjustable seats, handlebars, and removable batteries, it fits riders of different heights and weights, ensuring a comfortable experience
  • 【𝐏𝐫𝐨𝐟𝐞𝐬𝐬𝐢𝐨𝐧𝐚𝐥 𝟐𝟏-𝐒𝐩𝐞𝐞𝐝 𝐒𝐲𝐬𝐭𝐞𝐦】: The mechanical front and rear disc brakes offer reliable stopping power and safety. The 21-speed transmission system gives you a variety of speed options. Plus, the bike comes with a shock-absorbing front fork and high-quality rear shock absorber, making for a smoother ride on hills, downhill, and rough roads. It's perfect for mountain biking, city cycling, and commuting
  • 【𝐏𝐨𝐰𝐞𝐫𝐟𝐮𝐥 𝐏𝐞𝐚𝐤 𝟕𝟓𝟎𝐖 𝐌𝐨𝐭𝐨𝐫】: The Vivi electric bike for adults is equipped with a Peak 750W high-speed brushless motor, which has a longer lifespan and quicker startup. The removable battery features an energy-saving system for longer battery life. A 4-6 hour charge is enough for your daily commute or a full day of mountain biking
  • 【𝐓𝐡𝐫𝐞𝐞 𝐖𝐨𝐫𝐤𝐢𝐧𝐠 𝐌𝐨𝐝𝐞𝐬】: The E-bike, Assisted bicycle, and Normal bike modes offer flexibility for different needs. With the LCD smart display, you can get a range of 44-50 miles in pedal-assist mode or 22-25 miles using throttle only. Choose the E-bike mode for long trips or the bicycle mode for exercise. Combining all three modes might be the best choice
Bestseller No. 2
Huffy Stone Mountain Mens 24 Inch Mountain Bike, Red Gloss Frame, 21-Speed Shimano Twist Shifting, Front Suspension, Comfort Saddle | 20"/24"/26" Sizes, 6-21 Speeds, Dual Suspension Available
  • Durable Steel Frame for Tough Trails: Features a 24-inch steel frame with a striking red gloss finish, designed to handle rugged trails and outdoor adventures with ease.
  • Smooth 21-Speed Shifting with Shimano: Equipped with a Shimano rear derailleur and twist shifters, this bike provides 21 speeds for tackling hills, cruising, and navigating varying terrains.
  • Trail-Ready Suspension Fork: The front suspension fork absorbs shocks from uneven surfaces, ensuring a smoother, more comfortable ride on dirt paths or rocky trails.
  • Dependable Braking Power: Alloy linear-pull brakes deliver reliable stopping power, while the slightly raised handlebars provide better control and an improved riding posture.
  • Sized for Versatile Riders: Perfect for riders between 4'8" and 5'8" tall. Check the size chart to find the ideal fit for a comfortable and enjoyable ride.
Bestseller No. 3
ACTBEST Core Electric Bike for Adults - Peak 1000W Brushless Motor Ebike, 468&500Wh Removable Built in Battery 26&27.5X2.1 Tire Step Over Bicycle with 7 Speed, Commute E Bikes
  • Novel Commuter E-Bike with 3+1 Riding Modes - Powerful Peak 750W brushless motor, speed up to 22MPH, with 7-speed transmission, 26''X2.1 tires and 3 riding modes including manual, pedal-assisted and pure electric, helps you smoothly navigate through various terrains even mild hilly areas, during commuting, traveling, and sightseeing.
  • 36V 13AH Removable Built-in Battery - The UL2849-certificated battery is easy to remove for charging and has a waterproof, shockproof and anti-theft design, which is safer and lasts much longer. The battery only takes 4-6 hours to fully charge, giving you a range of up to 35 miles (throttle)/50 miles (PAS) on a single charge.
  • Enhanced Riding Experience - The Core electric bike is equipped with an LCD screen that displays key information such as speed, battery level, and assist level, making it easy for you to track your ride, and a USB charging port for convenient use. Our bike also features excellent front and rear disc brake systems that provide all-weather braking performance, dual front suspension with key, front lights and rear Reflective Sheet for a comfortable and safe riding experience.
  • Easy lnstallation & Warranty - Actbest E-bikes Model Core, is almost 90% assembled and comes with instructions and tools. The product comes with a 12-month warranty. If you have any other questions, please contact us, our professional customer support team will provide you with corresponding solutions.
  • Adjustable and Durable Step-Over Cityrun Ebike - The height of the comfy seat cushion can be adjusted to fit people of different heights (5'4"-6'5"), and the aluminum alloy body is lightweight, solid and durable, can bear up to 350lbs.
Bestseller No. 4
Mongoose Flatrock 21-Speed Hardtail Mountain Bike, 26-Inch Wheels, for Men and Women, Front Suspension, 16-Inch Lightweight Aluminum Frame, Purple
  • Hardtail MTB with a lightweight 6061 aluminum frame and 26-inch wheels is perfect for all terrain adventures, best fit to riders 5'4" to 6'2" tall
  • Element suspension fork improves performance and control while providing a smoother ride
  • 21-speed twist shifters and rear derailleur provide effortless gear changes when riding up an incline or speeding down a decline
  • Reliably stop with confidence using the front and rear alloy v-brakes, delivering dependable stopping power
  • Experience lightweight durability with the double wall alloy rims
Bestseller No. 5
Outroad Fat Tire Mountain Bike with 26 inch Wheels, 21 Speed with High Carbon Steel Frame, Double Disc Brake and Front Suspension Anti-Slip Bikes,Black
  • 21-SPEED - Compared with 7-Speed, 21-Speed can improve speed better. Outroad mountain bike can improve the Speed faster, change the Speed accurately and save more effort for uphill riding.
  • SHOCK ABSORPTION DESIGN - OUTROAD all-terrain MTB uses shock-absorbing front fork, and the thickened outer wall is more shock-resistant. Thickened shock absorber helps to absorb shocks, which can greatly improve ride comfort.
  • STURDY FRAME - This all-terrain mountain bike uses a high-carbon steel frame that combines quality and performance to resist deformation and stretching. The ergonomic design greatly improves the comfort during riding.
  • 4 INCH FAT TIRE - Width up to 4 inches, 5 times more wear resistance than ordinary bicycle tires. Strong grip and anti-skid, fully able to challenge any terrain, conquer any off-road trails and urban roads.
  • INSTALLATION VIDEO - The installation package includes all the tools you need to build and maintain your own bicycle. You can install it according to the installation video we provide. All this takes about 20-40 minutes.
Bestseller No. 6
Folding Electric Bike 20" x 4.0 Fat Tire Electric Bicycle,48V Lithium Removable Battery,Peak 720W Folding Ebike for Adult,5 Pedal-Assist Levels& Large LCD Display,Step Through ebike for Adult
  • 500W(Peak 720W) Powerful Motor:Likebike Cityfun S foldable Electric Bike for Adults equipped with 500W Powerful Brushless Motor, top speed 20MPH making climbing easier,effortlessly conquer off-road challenges. enjoy a smooth ride on various surfaces, from city streets to off-road trails.Our e-bikes have UL 2849 Certified
  • High Performance Battery:Powered by a 48V 10.4AH high performance battery,removable battery lets you can take your battery to the charging center without the extra burden of moving your bike,fast charging technology allows you to complete a charge in only 4-5 hours, reducing waiting and enjoy riding fun.we also guarantee the safety of the battery, is protected by BMS intelligent safety.Long mileage:Electricity-only 3-speed:33.6 miles
  • Foldable and Portable:This Likebike electric bicycles for adults folding easily,the foldable E-Bike's size is 34.2"x22" x 28.3", the step through electric bike can be folded and stored in a car trunk or easily transported on the subway, which is an ideal choice for commuting and exploring
  • 20"X 4"Fat Tire & Bright LED Headlight, Taillight:20"X 4.0" all terrain Fat Tire increase the contact area with the ground to make smooth and stable riding,allow you to ride on different roads more easy,including mountain roads, snow roads,sand roads,city roads etc.Our electric bikes equipped with bright headlight,taillight provide you a safer and more enjoyable environment for night riding,enjoy riding with no time limit
  • Professional 7-Speed & Front Fork Suspension:Cityfun S E-Bike for adults feature adjustable 7 different shifts,the front fork suspension and Front & Rear Disc Brakes which can tackle any terrain effortlessly and easily adjusting the right gear combination for a more comfortable and safe climbing experience
SaleBestseller No. 7
Schwinn High Timber ALX Mountain Bike for Adult Men Women, 27.5-Inch Wheels, 21-Speeds, Front Suspension, Aluminum Frame, Mechanical Disc Brakes, Yellow
  • Lightweight 17 inch aluminum mountain frame is the perfect bike for rides around your neighborhood or trails with 27.5-inch wheels fit riders 5’4” to 6’2” inches tall
  • Bicycle is equipped with an alloy crank that delivers smooth gear changes, requiring minimal maintenance
  • Mountain bike has twist shifters with a rear derailleur to make gear changes quick and easy
  • Lightweight and sturdy alloy wheel and wide knobby mountain tires offer stability and balance to riders on all terrains and in all weather conditions
  • Quick-release seat posts for easy adjustments, arrives 80% assembled, will need the following tool: Phillips head screwdriver, 2.5-8mm Allen wrenches, adjustable wrench, pliers with cable cutters
SaleBestseller No. 8
Wooken Electric Bike for Adults with Peak 750W Motor, 27.5'' Ebike with 48V 499WH Removable Battery, Up to 55 Miles Electric Mountain Bike, 21.6MPH Adults Electric Bicycle with LCD Display, 21 Speed
  • 500W Powerful and Stable Motor : 27.5'' electric mountain bike is equipped with a 500W powerful motor, which provides enough power, max speed is up to 21.6mph. It can meet your daily cycling and allow you to reach your destination easily and quickly. Tip: E-bike has passed UL 2849 certification.
  • Suspension Fork and Brakes: This Electric bike adopts lockable suspension fork and high-quality dual disc brake system. When you ride on the steep roads, it will provide you a stable and comfortable riding experience. Notes: We have 2 tire suppliers, CST and ChaoYang.
  • Larege Capacity Removable Battery: Equipped with a 48V/499.2Wh removable IPX5 waterproof lithium-ion battery, the electric bike for adults can be fully charged in about 5 hours. NOTE: Please make sure the ebike charger is unplugged and the battery button on the top of the battery is turned on when you want to start the ebike or check the battery level.
  • High Quality Accessories : Aluminum suspension fork is durable and lightweight. LED headlight provides safety for your night ride. You can get speed, battery power, total mileage, and power assist level on LCD display. 21-speed transmission system makes your ride more flexible.
  • Three Ridding Modes: Electric bicycle & assisted bicycle & normal bicycle. The combination of three modes is a better choice, greatly increasing the riding range. It can meet your daily cycling and short trips.
Bestseller No. 9
Omelaza 26 ich Folding Mountain Bike, 21 Speed Mountain Bike for Adults with Durable Tires, Foldable Bicycle with Dual-disc Brake System, Front Suspension Folding Bicycle for Men and Women Black
  • [Adapt to a Variety of Terrains]: The Omelaza 26-inch Folding Mountain Bike is designed to handle different types of terrain with ease. Whether you're riding on rough trails or smooth roads, this bike's sturdy construction and reliable components ensure a smooth and comfortable ride every time.
  • [Enhanced Riding Comfort]: Ride in style and comfort with the front dual-suspension system and adjustable seat. The ergonomic design and padded shock absorbers help absorb vibrations, ensuring a smooth and pleasurable ride.
  • [Advanced 21-speed System]: With its 21-speed system, this mountain bike offers flexible riding options for all levels of riders. Whether you're tackling steep hills or cruising along flat paths, you can easily find the perfect gear for maximum efficiency and speed.
  • [Convenient and Time-saving]: Say goodbye to complicated assembly processes. This mountain bike comes 90% pre-assembled, saving you time and hassle. The installation kit includes all the necessary tools and instructions, making it easy for you to get on the road in no time.
  • [Durable and Reliable]: We stand behind the quality of our products, which is why we offer a 2-year warranty on this folding mountain bike. Our first-class customer service center is available around the clock to support customers to protect against after-sales issues.
SaleBestseller No. 10
Vivi Electric Bike for Adults 1000W Peak Folding Electric Mountain Bike 26'' Commuter Ebike 22MPH Adult Electric Bicycles with Removable Battery, Up to 50 Miles, LCD Display, Dual Shock Absorber
  • STRONG POWER&REMOVABLE BATTERY- The electric bike foldable features a 500W (peaking at 1000W) high-speed brushless motor, allowing you to hit speeds up to 22 mph. It comes with a detachable 48V 374.4Wh lithium-ion battery that charges in just 4-5 hours. You can charge the battery directly on the bike or remove it to charge, so you don't have to worry about theft. Plus, it’s SGS certified to UL2849
  • TOP-NOTCH FEATURES- The double shock absorption ensures a smooth and comfortable ride even on bumpy roads. It comes with a professional 21-speed transmission system and front and rear disc brakes for extra safety, providing reliable stopping power in all weather conditions. Plus, the bright LED headlamp is perfect for night rides
  • FOLDING ELECTRIC BIKE- The folding ebike features a lightweight aluminum alloy frame that folds quickly for easy storage. The double-walled aluminum alloy rims provide extra durability and a faster ride with less drag. It also has a detachable waterproof line design, making it easy to replace accessories
  • SMART LCD DISPLAY- Tailor your ride with 5 speed assist levels. The integrated handlebar LCD display keeps you informed about your battery status, speed, distance traveled, and pedal assistance, so you’re always in control
  • 3+1 RIDING MODES- Choose from Throttle Mode, Pedal Assist, and Cruise Control Mode, or turn off the power to ride it like a regular bike. You can go 44-50 miles in assisted mode or 22-25 miles on full power

How Do We Test Mountain Bike Under 300 

If you’re looking for an unbiased opinion on any product, we’ve got your back. Our reviews are rigorous and thorough – taking all factors into account, including design, features, price-to something else that matters most in making an informed decision before purchasing one of these items!

Factors to Consider Before Purchasing Mountain Bike Under 300

What’s the point of a buying guide if you don’t know what factors to consider before purchasing mountain bike under 300?

  • Satisfy your need
  • Features & Specifications
  • Quality & Durability
  • Brand Value
  • Customer Reviews & Ratings
  • Price
  • Customer Service

You may be wondering why you need to consider some factors about a mountain bike under 300 before purchasing. It’s because there are so many things that can go into making your decision, and knowing all of them upfront will help keep any surprises later on in life!

What’s The Best Place To Purchase Mountain Bike Under 300

Online shopping is the way of 2025, and if you want to make sure that your purchase will be an excellent one, then there’s no better place than online. You’ll have access to so many more products in different shapes, sizes, colors, and flavors brands with unbeatable prices.

There are so many different options when it comes to choosing a new mountain bike under 300, and we truly believe that you should do your research before making such an important purchase. The questions might include:

  • Should I buy a new, used, or refurbished mountain bike under 300?
  • Do you really need the high quality mountain bike under 300 there is?
  • What are must-have features for mountain bike under 300?
  • Best time to buy a mountain bike under 300?
  • What are the benefits of buying mountain bike under 300?
  • Why is it critical to invest in a good in today’s market, particularly the best one?

In our opinion, investing in a good, high-quality mountain bike under 300 will make you feel confident about your purchase. You can tell that the company put effort into making sure it was top-notch and took their time with designing everything from packaging to graphics for marketing purposes because this makes them seem more reliable than competitors who don’t invest so much money on these things (especially if they’re cheap). Plus, having quality materials ensures longevity which is always nice. 

Tips For Being A Smart Online Shopper

When shopping for a product online, be sure to read the reviews before making a purchase. This can give you a good idea of what to expect from the product and can help you decide if it’s the right fit for your needs. Additionally, be sure to check the return policy and shipping times before buying anything. This way, if you’re not happy with the product, you can easily return it without any hassle. And if you need the product quickly, you’ll know that it will arrive in a timely manner.

When looking for a mountain bike under 300, be sure to compare prices from different retailers. This way, you can be sure you’re getting the best deal possible. Additionally, be sure to read the fine print before making any purchase, as some retailers may have hidden fees or charges. By taking the time to do your research, you can be sure you’re getting the best possible deal on the product you want.

These are just a few things to keep in mind when shopping for a product. By taking the time to consider your needs and doing your research, you can be sure you’re getting the best possible product for your needs. And if you have any questions, be sure to contact customer service or the retailer before making your purchase.

FAQs About Best Mountain Bike Under 300

What is More Important: a Good Product or a Good After-sales Service?

When it comes to choosing a mountain bike under 300, many people prioritize the quality of the product itself. However, after-sales service can be just as important, especially if something goes wrong with the product. So when it comes to choosing a product, it’s important to weigh both factors and decide which is more important to you. If quality is your main concern, be sure to choose a product that comes from a reputable brand and has good reviews. However, if you’re more concerned with after-sales service, be sure to choose a product from a company that offers excellent customer service. 

How to Save Money When Buying Online? 

When shopping for a mountain bike under 300 online, there are a few things you can do to save money. First, be sure to compare prices from different retailers before making a purchase. This way, you can be sure you’re getting the best deal possible. Additionally, be sure to read the fine print before making any purchase, as some retailers may have hidden fees or charges. By taking the time to do your research, you can be sure you’re getting the best possible deal on the product you want. Additionally, you can also sign up for Amazon Prime, which gives you access to exclusive deals and free shipping on many items. So if you’re looking for the best possible deal on Amazon.

Bottom Line

We’re always looking to improve the way in which we give you access, so be sure not to miss out on all of our great updates by visiting us online right now.

We’re here for you. We’ll help answer any questions or concerns about the mountain bike under 300 as long as they don’t involve technical details like how it works in a general sense! If there’s anything else on your mind, please let us know because someone will be happy to assist immediately-we want this process easy and breezy.

As a prospective buyer, it’s important that you research the product thoroughly before purchasing. There are many online forums where people can share their knowledge and experiences with different products in order to help guide your decision on what is best for yourself.

With our guide, you can find the best mountain bike under 300 available on the e-commerce market. We make use of Big Data and AI data to compile this list, so it is highly accurate.

The process of creating this content was challenging, but our team persevered through it to bring you the best possible results. We read user reviews and looked at what buyers think about each product so that your buying experience will be satisfying.

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