How to Convert Mountain Bike to Electric: Easy DIY Guide

Welcome to our easy DIY guide on how to convert your mountain bike to electric. If you’re looking to electrify your bike for a smoother and faster ride, then you’ve come to the right place. Not only can you save money by doing it yourself, but you’ll also have the satisfaction of creating a custom e-bike that fits your specific needs.

In this guide, we’ll cover everything from choosing the right electric conversion kit to testing and fine-tuning your electrified mountain bike. Let’s get started!

Key Takeaways:

  • Converting your mountain bike to electric can save you money and provide a custom riding experience.
  • In this guide, we’ll cover choosing the right conversion kit, preparing your bike for the conversion, installing the electric kit, and testing and fine-tuning your new e-bike.
  • With the right tools and skills, converting your mountain bike to electric can be a fun and rewarding DIY project.

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Choosing the Right Electric Conversion Kit for Your Mountain Bike

Now that you’re ready to convert your mountain bike to electric, it’s important to choose the right conversion kit. With so many options available on the market, it can be overwhelming to narrow down your choices and select the best one for your needs. But fear not, we’re here to help!

Types of Conversion Kits

Before we dive into the details, it’s important to know that there are two types of conversion kits: front wheel and rear wheel. Front wheel kits are easier to install but can cause handling issues, while rear wheel kits are more complex but provide better balance and power. Depending on your preferences and riding style, you can choose the one that suits you best.


One of the most important factors to consider when selecting a conversion kit is compatibility with your mountain bike. Make sure to check the kit’s compatibility with your bike model, size, and frame type. It’s also important to ensure that the kit fits your wheel size and brake type.

Power Output

The power output of your conversion kit will determine the speed, torque, and range of your electric mountain bike. Look for a kit with a motor that provides sufficient power for your riding needs. Typically, motors range from 250W to 1000W, with higher wattage producing more power and speed.

Battery Options

The battery is the heart of your electric mountain bike, providing the power needed to run the motor. When choosing a conversion kit, consider the battery’s capacity, voltage, and type. Lithium-ion batteries are the most common and provide a good balance of capacity and weight.

Ease of Installation

Finally, consider the ease of installation when choosing your conversion kit. Look for kits with clear instructions and all necessary components included. Front wheel kits are generally easier to install, while rear wheel kits require more technical knowledge and skill.

By considering these factors, you can select the right electric conversion kit for your mountain bike and enjoy a seamless, electrified riding experience!

Preparing Your Mountain Bike for Conversion

Before you start assembling your electric conversion kit, you’ll need to prep your mountain bike. Here are a few steps to guide you:

  1. Remove non-essential components: Take off any accessories that are not compatible with the electric kit, such as water bottle holders, kickstands, and racks. This will make it easier to mount the conversion kit and ensure compatibility.

  2. Inspect the bike frame: Look for any cracks, dents, or other damage on the frame. Make sure your bike is in good condition and can safely handle the added weight and power of the electric components.

  3. Prepare cable management: Take a look at the existing cable routing on your bike and make adjustments as needed. You’ll need to run new cables for the electric kit, and you want to avoid any interference or tangling with the existing cables.

  4. Choose a location for your battery: Find a suitable spot on your bike to mount the battery. Make sure it’s secure and won’t interfere with your legs while pedaling. The center of the bike or the downtube are popular locations.

By following these steps, you’ll have a solid foundation for your electric conversion project. With a properly prepped bike, you can ensure a smoother and safer installation process.

Installing the Electric Conversion Kit on Your Mountain Bike

Now that we have assembled all the required tools and components, it’s time to start installing the electric conversion kit onto your mountain bike. Follow the steps below:

  1. Attach the motor to the bike frame. Make sure it is properly aligned and tightened using the appropriate bolts and brackets. Follow the instructions provided by the manufacturer for your specific motor and bike frame.
  2. Connect the motor to the controller using the cable provided. Make sure the connections are secure and in the right sequence, usually color-coded.
  3. Mount the battery onto the bike frame. This can be done with brackets or straps, depending on the battery and bike frame. Ensure that the battery is securely fixed and not loose.
  4. Connect the battery to the controller using the cable provided, ensuring a sturdy connection.
  5. Install the throttle and brake levers on the bike handlebars. These need to be connected to the controller using the cables provided. Be sure to follow the wiring diagram to connect them properly.
  6. Test the motor and battery by turning on the system. Using the throttle, make sure the motor is functioning correctly and turning the wheel. Check the battery level reading if applicable. Make sure everything is functioning as expected before proceeding further.
  7. Integrate the controller into the bike’s existing system by connecting it to the brakes, gears, and other components as necessary. Make sure there is enough slack in the cables for the bike to turn without hindrance.
  8. Fine-tune the system by adjusting the power settings to your preference. Make sure you balance the power with the available battery life, so you don’t drain the battery too quickly.
  9. Take a test ride and make sure everything is functioning smoothly. Check the brakes, gears, and motor power to ensure they’re operating correctly. Make any adjustments needed and enjoy your newly electrified mountain bike!

By following these steps correctly, you can be sure that your newly converted electric mountain bike is safe, functional, and ready to take on new adventures.

Testing and Fine-Tuning Your Electric Mountain Bike

Now that your electric mountain bike is fully assembled, it’s time to test and fine-tune it before hitting the trails. This step is critical to ensure your safety, as well as the longevity of your bike.

Step 1: Check the Motor Function

Start by turning on your electric bike and checking the motor function. Make sure it runs smoothly and quietly, without any unusual noises or vibrations. If you notice any issues, disconnect the power and investigate the problem before proceeding.

Step 2: Adjust the Power Settings

Next, adjust the power settings to suit your riding needs and preferences. Most electric bike conversion kits come with a controller that allows you to regulate the motor output. Experiment with different power levels to find the one that works best for you.

Step 3: Ensure the Bike Operates Smoothly

Finally, take your bike for a test ride to ensure it operates smoothly and handles well. Pay close attention to the brakes, gears, and suspension, as well as the balance and stability of the bike. Make any necessary adjustments to ensure a comfortable and safe riding experience.

Remember, testing and fine-tuning your electric mountain bike is an ongoing process. As you ride more and become familiar with your bike’s capabilities, you may need to make additional tweaks and adjustments to keep it running at its best.


Converting your mountain bike to electric is a fun and rewarding DIY project that can enhance your riding experience. By following our easy guide, you can electrify your bike and enjoy the benefits of effortless pedaling and increased range.

We hope that this article has provided you with the knowledge and confidence to start your electric mountain bike conversion. Remember to choose a conversion kit that fits your bike and riding style, and to take your time in preparing and installing the electric components.

Join the E-Bike Revolution

Electric bikes are becoming increasingly popular among riders of all ages and abilities. With their low environmental footprint and high performance capabilities, e-bikes are the way of the future.

By converting your mountain bike to electric, you can join the e-bike revolution and enjoy the benefits of fast and efficient transportation. Plus, with the money you save on gas and maintenance, your converted bike will pay for itself in no time.

So why wait? Start your electric mountain bike conversion today and experience the joy of effortless pedaling. Happy riding!


Q: How difficult is it to convert a mountain bike to electric?

A: Converting a mountain bike to electric can be a moderate to advanced DIY project, depending on your mechanical skills and familiarity with electric systems. However, with proper research, tools, and guidance, it is an achievable task.

Q: What are the benefits of converting a mountain bike to electric?

A: Converting a mountain bike to electric adds a new level of versatility to your riding experience. It allows you to tackle hilly terrains with ease, explore longer trails without getting exhausted, and enjoy the thrill of riding at higher speeds. Additionally, it is a cost-effective way to get an electric bike without purchasing a new one.

Q: What tools and skills are required for the conversion?

A: The tools required for the conversion may include wrenches, screwdrivers, cable cutters, and Allen keys. Basic mechanical skills and knowledge of bike components are essential. Some electrical knowledge is also helpful for wiring the conversion kit. If you are unsure, it is best to consult a professional or seek guidance from reliable sources.

Q: How do I choose the right electric conversion kit for my mountain bike?

A: When selecting an electric conversion kit, consider factors like compatibility with your bike frame, power output suitable for your desired riding style, battery options that meet your range requirements, and ease of installation. Research different kits, read reviews, and consult with experts if needed to make an informed decision.

Q: What preparatory steps should I take before converting my mountain bike?

A: Before starting the conversion process, it is important to remove non-essential components, such as fenders or racks, to make space for the electric components. Inspect your bike frame for any damage or weak points and reinforce if necessary. Ensure proper cable management to accommodate the new wiring and avoid tangled or exposed cables.

Q: How do I install the electric conversion kit on my mountain bike?

A: Installing the electric conversion kit involves mounting the motor on the bike frame, connecting the battery to the motor and controller, and integrating the controller into the existing bike system. Follow the manufacturer’s instructions carefully and double-check all connections for secure and proper functionality.

Q: What should I do to test and fine-tune my electric mountain bike?

A: After the installation, it is crucial to test the motor function, adjust the power settings to your preference, and ensure the bike operates smoothly. Test the brakes, gears, and overall performance before taking it on a trail. Fine-tune the settings as needed for optimal riding experience and safety.

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