Brushless Motor Electric Bike Modification Kit with Rear Drive for Mountain Bikes
The world of cycling is evolving fast, and electric bikes (E-bikes) are leading the charge. For riders who already own a great mountain bike, there’s no need to buy a brand-new electric model. Instead, you can convert your existing bicycle into a powerful E-bike using the Brushless Motor Electric Bike Modification Kit with Rear Drive.
This all-in-one kit is designed for variable-speed mountain bikes, delivering professional-level performance, improved efficiency, and an exhilarating riding experience.
What Is an Electric Bike Modification Kit?
An E-bike modification kit allows you to transform your standard bicycle into an electric-powered bike. By adding an electric motor, controller, battery, and throttle, your bike gains assisted pedaling and higher speeds—without the sweat of uphill climbs!
This kit is the perfect choice for DIY enthusiasts and cyclists who want to upgrade their ride without replacing their favorite bike.
Overview of the Brushless Motor Electric Bike Modification Kit
Designed for Variable Speed Mountain Bikes
This modification kit is specifically engineered for multi-speed mountain bikes, supporting gears and derailleurs seamlessly. You’ll retain the flexibility of manual gear shifts while gaining the smooth boost of electric power.
Rear Drive Motor System
The rear-drive brushless motor provides superior torque, traction, and stability—especially on challenging terrains. It’s ideal for riders who demand power and balance on mountain trails or long commutes.
Item List and Components
Let’s break down what comes in this complete modification package:
1. High-Performance 48V 250W Rear Motor
The 48V 250W brushless toothed motor is lightweight (2.7kg) yet powerful enough to reach speeds of up to 40 km/h. Its spoke-type design ensures easy installation and long-term reliability.
2. 48V 21Ah Triangle Battery and Bag
This durable triangle battery fits securely within your bike frame. With 21Ah capacity, it delivers up to 50KM of riding range, depending on terrain and load.
3. Matching 2A Charger
The kit includes a 2A fast charger, ensuring safe and efficient battery charging with every cycle.
4. Supporting Controller
The smart controller manages power output, ensuring smooth acceleration and consistent motor performance while protecting against overloads.
5. Bicycle Rotating Handle (Throttle)
The twist throttle gives you intuitive control over speed—just twist and go, like a motorcycle!
6. Brake Handle with Power-Off Function (x2)
When you pull the brakes, the power-off function cuts the motor instantly for safe stopping and battery efficiency.
7. Car Light Combination (with Horn)
Stay visible and safe with a built-in light and horn combo—essential for night rides and city commuting.
8. Booster
The booster function assists pedaling, especially on uphill climbs, making your ride more comfortable.
9. Waterproof Quick Disassembly Lead
Durable and weather-resistant, this feature ensures reliable connections even in rain or mud, while allowing easy disassembly when needed.
10. Controller Box
Keeps all wiring neatly protected, preventing exposure to dirt and water.
11. 10m Winding Tube
Included to tidy up your wiring setup for a clean, professional installation.
12. Motor Wire Guard & Fixing Bolt
These ensure secure motor attachment, preventing loosening or cable wear during long rides.
(as of – Details)
Motor Specifications
Brushless Toothed Rear Drive Motor
The brushless motor operates quietly and efficiently, offering superior torque without friction wear common in brushed systems.
Motor Shaft, Weight, and Build Quality
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Shaft Length: 208mm
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Weight: 2.7kg
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Color: Black
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Opening Width: 135mm
Built with high-strength materials, this motor is both durable and lightweight—ideal for mountain and hybrid bikes.
Speed, Torque, and Efficiency
With a maximum speed of around 40km/h, this rear-drive motor offers a perfect balance between speed, power, and energy consumption.
Battery Specifications
Voltage and Capacity Details
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Nominal Voltage: 48V
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Capacity: 21Ah
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Support Motor Power: 50W–1000W
This ensures compatibility across a wide range of motors while maintaining efficiency and range.
Range and Mileage Performance
You can expect 40–50KM per charge, depending on road conditions and rider weight. Ideal for daily commutes or weekend adventures.
Battery Customization Options
Need a longer range? Custom capacities and sizes are available upon request—simply provide your specifications for a personalized setup.
Advanced Features
Cruise Control Mode
Relax and enjoy steady-speed rides with the cruise control function, perfect for long-distance journeys.
Three-Speed Mode
Choose between three adjustable speed levels to match your riding style—eco, standard, or high-performance.
Display Panel for Speed and Mileage
Stay informed with a digital display showing your speed, distance, and remaining power at a glance.
Installation and Compatibility
Compatible Bike Models
This rear-drive conversion kit fits variable speed bikes and mountain bikes with disc brakes and 36-hole wheels.
Easy Assembly with Waterproof Connectors
The plug-and-play waterproof leads simplify installation—no complicated wiring required.
Performance and Riding Experience
Smooth Rear Drive Operation
Rear-drive motors provide a natural pedaling feel and improved stability compared to front-drive setups.
Ideal for Commuting and Mountain Trails
From city streets to rugged paths, this kit delivers the right mix of power, endurance, and comfort.
Safety and Durability
Disc Brake Compatibility
Supports disc brake systems, offering better control and stopping power.
Professional Construction and Stability
Built with precision engineering, this kit ensures stable power output and minimal maintenance.
Customization Options
Custom Battery Size and Capacity
If you need extended mileage or a compact setup, the manufacturer can custom-build the battery according to your specific requirements.
Tailored Motor Power for Your Needs
While the standard motor is 250W, you can request a higher power output depending on your terrain and riding needs.
Maintenance and Longevity
To extend your kit’s life:
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Store the battery in a cool, dry place.
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Avoid over-discharging or overcharging.
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Regularly check connections and bolts for tightness.
Eco-Friendly Benefits of E-Bike Conversion
Converting your traditional bike into an electric one helps reduce carbon emissions, supports sustainable mobility, and promotes eco-conscious commuting.
Customer Support and Warranty
Got questions? The dedicated customer service team responds within 24 hours to assist with installation, customization, or troubleshooting.
The Brushless Motor Electric Bike Modification Kit with Rear Drive offers the perfect blend of performance, convenience, and customization. Whether you’re upgrading your mountain bike or building a high-efficiency commuter, this kit transforms your riding experience with power, precision, and reliability. It’s easy to install, safe to operate, and customizable to your unique needs—an excellent choice for cyclists who crave control and freedom.
FAQs
1. Can I install this kit on any mountain bike?
Yes, as long as your bike supports a 135mm rear dropout and 36-hole rim, this kit will fit perfectly.
2. How far can I ride on one charge?
Expect 40–50KM per full charge, depending on terrain and riding style.
3. Does the kit support disc brakes?
Yes, it’s designed for disc brake systems, ensuring strong stopping power.
4. Can I customize the battery capacity?
Absolutely! You can contact the manufacturer for custom voltage and capacity options.
5. Is the installation beginner-friendly?
Yes. The kit includes waterproof quick-connect cables and a controller box for easy setup.
(as of – Details)