Best Electric Mountain Bike Conversion Kit In 2023

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Last Updated on January 24 2023 by Sam

Best Electric Mountain Bike Conversion Kit - Reviews & Buying Guide [UPDATED Dec 2022]


Editor's Choice
Bafang Mid Drive Motor Kit 250W 350W 500W 750W 1000W BBS01B BBS02B HD 36V 48V 52V, Electric Bike Conversion Kit for Mountain Bike Road Bike Commuter Bike Fat Bike, Multi-functional LCD Display
  • [ MID MOTOR SYSTEM & CYCLING MODE ] With the max torque 80/100/120 Nm, all BAFANG electric bike conversion kit has excellent performance on cycling. There are 3 cycling modes for the mid-drive motor : Throttle, Pedal Assist, Electric and Pedal Assisting. Three modes perfectly satisfy your different needs
  • [ EASY INSTALLATION ] If you are not sure if your bike can be fitted, Please contact us through email and offer us some pictures about your bike, crank to the chain stay. We have document with a bottom bracket measurement diagram that you can download and determine if your bike can fit a motor. Please make sure the bottom bracket size of your bike in advance
  • [ PACKING LIST & NOTE ] Optional motor, a display (optional), 44T chainring with chain guard for BBS motor as default (46T chainring without chain guard for HD 1000W motor as defalut), speed sensor, gear shift sensor, hydraulic brake sensors, cranks, 1T4 cable, thumb throttle, installation screws. Gifts include headlight, wrench, crank extractor and gloves. Please kindly note that if you want the mechanical brake levers, email us after your purchase
  • [ FAST SHIPPING & RESPONSIBLE CUSTOMER SERVICE ] EU address (except for island) will receive the parcel about 7-10 days. If there is any problem, we will send you an email, please keep an eye of your Amazon email. The motor owns one-year warranty & 24-hour customer service. We have professional techs in UK that can give you technical support and help you fix the problem
Top Rated
DERUIZ Ebike Mid Drive 750W BBS02B BBS02 48V Electric Bike Conversion Kit Ebike Motor with Lithium Battery Pack and Charger for Mountain Bike City Road Bike
  • [Shipping&Warranty]--Fast express delivery, 3-7days to your EU address(except islands), 1 year warranty for every motor&battery,3 months for controller&display$charger.
  • [JIS standard]--bafang mid drive 750w motor is suitable for 68-73mm standard bike so for most bikes, such as: mountain bike, city bike, road bike, commuter, cruiser bike, etc.
  • [Max speed&2 Riding Modes]--Top 45km/h, two riding modes: pedal assisted mode for fast speed fits outdoor sport, accelerator mode for easy riding Casual use. With IP level 65, every motor is waterproof which can reduce riding burden.
  • [Battery Specification]—FIVE models battery 48V13AH 48V17.5AH 52V13AH 52V17.5AH 52V21AH are supplyed and All batteries are equipped with a 15A BMS protective plate, quality assured.
  • [Installation&Gift]-- we have FOUR FREE GIFTS for you: brake sensor, headlight, zip ties and 250w sticker. Welcome to subscribe our Youtube channel(DERUIZ) to get more installation guide.
Best Selling
GGMWDSN Ebike Conversion Kit for Electric Bike 20
  • ★【Electric bicycle modification kit】: This modification kit is a rear wheel (spin fly) modification kit. Before placing an order, please confirm your rear wheel opening size (pictured). With this product, you can easily convert a normal bike to an electric bike. Much cheaper than buying a complete electric bike.
  • ★【Powerful and efficient】: The maximum speed is about 32 km/h, and the powerful motor greatly improves the driving comfort. This conversion kit fits 20"/24"/26"/27.5"/28"/29"/700C wheels and fits most bikes, city bikes, mountain bikes, touring bikes and commuter bikes.
  • ★【LCD screen】: Upgrade your electric bike modification kit to an LCD screen. It displays all basic information such as battery percentage, speed, total one-way distance, wattage, PAS level and error codes for easy troubleshooting.
  • ★【Package Contents】: The electric bike conversion kit includes all components needed for installation; hub motor, controller, monitor, accelerator pedal, brake lever, pedal assist system, torsion arm and cable ties, etc. We will give you the controller package for free.
  • ★【Installation Precautions】: No battery, the battery needs to be purchased separately. The battery voltage must be equal to the motor voltage. Be careful not to mix up the wires when installing, otherwise the product may be damaged. One person can complete the conversion in just 1-2 hours.

Short on time?

Our recommended electric mountain bike conversion kit is the Bafang Mid Drive Motor Kit!

Converting an ordinary bicycle into an electric mountain bike is simple and inexpensive, thanks to the availability of conversion kits. Purchasing a conversion kit rather than an all-new electric bike will save you money.

The e-bike market is significant, and electric bicycles have made it possible for riders who require or desire some pedal help to extend their riding's wide range and breadth of use. Growing awareness of environmental issues, in particular the need for more environmentally friendly and sustainable modes of transportation, has led to an increase in the demand for electric road bikes, a need that manufacturers sometimes have trouble meeting. If you're having trouble finding an electric bicycle that's a good fit for you, then why not convert the bike that's just collecting dust in your garage

Riders of the best electric bikes have the opportunity to explore and enjoy a variety of riding situations and terrains. Additionally, electric bikes are a more environmentally friendly and cost-effective mode of transportation to operate and utilize.

People can use electric bicycles for both personal use and commercial purposes. For example, they can help commuters travel between different locations quickly and easily without spending too much energy. Also, they can be used by people who want to travel long distances but don't have enough gas to go far.

Mountain bike conversion kits for electric bikes appeal to people who closely monitor their financial situation. Converting an old bike into an electric bike is likely the most affordable course of action for most riders, even though this time of year sees many electric bike sales.

When deciding between an e-bike and an e-bike conversion kit, one factor that may play a role in your decision is whether or not you enjoy the ride quality of a bike that you already possess. Converting your bike into an electric-assist model will enable you to maintain the same level of riding satisfaction while opening up a whole new universe of recreational opportunities.

We've looked at the key considerations when choosing a suitable electric bicycle for yourself, including the different types of motors and batteries available. One of the main factors to consider is how much power you require from the battery pack.

We have put as many as we could get our hands on through real-world riding circumstances, determining how simple they are to install and what type of electric help they offer. In the following section, we have compiled our research and listed the top electric bike conversion kits currently available.

We have also included some helpful purchasing recommendations at the end of the article to assist potential buyers in making judgments regarding purchases.

Our List Of The Best Mountain Bike Conversion Kit (Dec 2022 Updated)

1. Bafang Mid Drive Motor Kit - Editor's Choice

You'll find it here if you’re looking for a great deal on a mountain bike conversion kit. At $299, this is one of the cheapest kits available.

This kit includes everything you need to convert your bike to a fat tire model. Its mid-drive motor system allows you to ride with larger tires.

This kit includes three different modes, allowing you to choose between throttle mode, pedal assist mode, and electric mode. In addition, there is a display screen included, which shows you exactly how many calories you’re burning during your rides.

The package includes a set of 44t chainrings, a 46t chain ring, a speed sensor, a gear shifter sensor, a pair of hydraulic brakes, a thumb throttle, and a few accessories.

All these items are designed to allow you to install the kit easily. All you need to do is remove your existing pedals, attach the mounting brackets, and bolt the motor onto the frame.

Once installed, you can start riding immediately. However, if you run into problems, you can always call Bafang for assistance. They have been known to provide free repairs for customers who buy their products directly.


  • Easy to assemble
  • Strong motor
  • Value to money


  • Consume more charge

2. DERUIZ Mid Drive 750W BBS02B BBS02 Electric Bike Conversion Kit - Runner Up

If you're looking for a powerful electric bike conversion kit, you should check out the DERUIZ Ebike Mid-drive 750W BBS02 BBS02 48V electric bike conversion kit. This kit is designed specifically for e-bikes, which means it's built to withstand the rigours of riding on rough terrain. It's also equipped with a powerful motor that lets you go faster than you would on a regular bike.

But don't let the name fool you; this kit is quite simple. All you need to do is attach the battery pack to the bike frame, connect the wires, and plug everything in. Then you're ready to hit the streets.

When you're finished riding, unplug the charger and store it safely. If you'd rather not carry a bulky battery pack, you can always mount the battery pack onto your rear rack.

The DERUIZ Ebikke Mid Drive 750W Bbs02 BBS02 48v electric bike conversion kit is a great option for anyone who wants to experience the thrill of riding an ebike.


  • Waterproof quality
  • Great stability


  • Sensor fails after some time

3. GGMWDSN 36V/500W Ebike Conversion Kit for Electric Bike - Best Selling

If you're considering getting into electric biking but don't know where to start, DERUIZ Ebike Mid-drive 750W BBS02 BBS02 48V electric bike conversion kit might be exactly what you need.

This kit has everything you need to install a mid-drive motor onto your existing bike. All you need to do is remove the front wheel and attach the included mounting bracket. Then, plug in the supplied wiring harness and connect the battery.

Once installed, you'll find yourself riding along smoothly and effortlessly thanks to the powerful 750w motor. If you'd rather ride off the road, you can add a set of tires and handlebars to turn your bike into a full-fledged ebike.
Whether you're a seasoned rider or a beginner, this kit is designed to provide you with everything you need to get started. So whether you're looking to upgrade your current bike or buy a brand new one, this kit is worth checking out.


  • Efficient
  • Impressive LCD display that shows all essentials.


  • It does not involve a battery option. You will have to buy it separately.

It would help if you also read our expert buyer's guide for the best lightweight electric bike

Things To Consider When Buying Mountain Bike Conversion Kit

1. Wheel Size

One of the first things to consider when buying a mountain bike conversion kit is the wheel size. Most mountain bikes have either 26-inch or 29-inch wheels. However, some kits are designed for 27.5-inch or even smaller wheels. It is important to make sure that the kit you choose is compatible with the size of the wheels on your mountain bike.

2. Tyre Width

Another thing to consider is the tyre width. Most mountain bike tyres range in width from 2.0 inches to 2.5 inches. However, some kits allow wider tyres, up to 3.0 inches or more. Wider tyres can provide more traction and stability on rough terrain but can also make pedalling more difficult.

3. Suspension

Suspension is another important consideration when choosing a mountain bike conversion kit. Most kits include a suspension fork, which helps to absorb shocks from bumps and roots on the trail. Some kits also include a rear shock, which provides additional comfort and control while riding.

4. Brakes

Brakes are another important consideration when choosing a mountain bike conversion kit. Most kits include disc brake pads, which provide superior stopping power in all conditions. However, some kits come with rim brakes, which are lighter in weight distribution but not as effective in wet or muddy conditions.

5. Price

Of course, price is also important when choosing a mountain bike conversion kit. Kits can range in price from a few hundred dollars to over a thousand dollars. It is important to find a kit that fits your budget and meets your needs

It will also help you greatly if you read our previous article about the best pedal-assist electric bike

Frequently Asked Questions - FAQs

1. Are mountain bike conversion kits legal?

The kits themselves do not violate any laws, nor does the act of attaching them to a motorcycle in any way. Whether or not you are breaking the law depends on where you want to ride your newly powered electric bike after purchasing it.

Your reaction will be highly different, depending on factors such as where you are based and the kit you choose to use.

For instance, electric bicycles are divided into several categories in the United States of America, and each is subject to a different set of regulations. These categories can be distinguished from one another by the amount of power they produce, the maximum speed at which they can travel, and the presence or absence of a throttle.

Things are a little bit simpler in some countries, such as the United Kingdom, which defines a moped as any vehicle with a top speed of over 25 kilometres per hour. A bicycle is any vehicle with a top speed of up to 25 kilometres per hour (15.5 miles).

Make sure you know the local rules regulating electric bikes before you finish any purchase. Our guide to e-bike classes can be of use in this regard.

We also have written a buying guide on electric bike front wheel conversion kits.

2. Should I buy a mountain electric bike instead of a mountain bike conversion kit?

Don't forget to think about everything available to you. You have a bike stored away in the shed that you haven't used in a significant amount of time, and it appears to be an excellent candidate for conversion into an electric bike.

It's possible, though not certain, that it would be more beneficial to sell the bike and use the proceeds to buy another one. Either way, both scenarios are equally likely.

When designing and constructing something, it's always a good idea to consider how it will ultimately be utilized. The cost of a whole electric bike may be similar to that of a high-quality electric bike conversion kit.

When designing an electric bike, it is much simpler for a company to keep costs low while maintaining a high level of integration if they begin with a blank slate. Think carefully about why you want to convert your bike and evaluate whether or not your plan makes sense in light of other available options. It will be the case in some circumstances but not in others.

We also wrote an article about the best electric bike under £700.

The Final Verdict

We hope that after reading our expert buyer's guide for buying the mountain bike conversion kit, you will have enough knowledge to determine which conversion kit will suit you and include all the necessary safety measures.

To save you precious time, we have also shortlisted the best mountain bike conversion kit and reviewed them so that you can quickly get to know them and are likely to go for them if they meet your requirement.

Moreover, it would help if you also read our expert buying guide of the best cargo bikes you can buy for 2023

The Best Mountain Bike Conversion Kit

The best mountain bike conversion kit is the Bafang Mid Drive Motor Kit, and there are several reasons for it.

First, the durability. It is highly durable and will run for years to come. Second, its motor is very powerful especially made for fat tyres mountain bikes. And lastly, with so many features, it is value for money.

Our #1 Mountain Bike Conversion Kit

Our number one mountain bike conversion kit is the Bafang Mid Drive Motor Kit because of its powerful motor and ultra durability.

As a runner-up, we recommend the DERUIZ Mid Drive 750W BBS02B BBS02 Electric Bike Conversion Kit because of its great stability and standard waterproof build.

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