⚡ DUE EARLY DECEMBER ⚡
1500W 48V E-Bike Conversion Kit
MTX39 Rim • Shimano 7-Speed Freewheel • 40A Bluetooth Sine Wave Controller • SW900 Colour Display
Available With or Without 48V 20Ah Battery
🔋 Choose Your Kit Package
Option 1 – Conversion Kit Only:
Complete 1500W conversion kit including the motor wheel, controller, display, throttle and accessories. Battery and charger are not included with this option.
Option 2 – Conversion Kit + 48V 20Ah Battery:
Complete 1500W conversion kit supplied with our compact 48V 20Ah lithium-ion battery, 40A BMS and 54.6V 3A charger with UK plug.
Please select your preferred package option before purchasing.
⚡ Kit Specification
Motor: 1500W brushless gearless rear hub motor
Rim: Original MTX39 rim with 36 heavy-duty black stainless steel spokes
Dropout: 135mm rear dropout
Axle: Heavy-duty M14 axle
Freewheel: Original Shimano 7-speed freewheel included
Controller: 40A Bluetooth sine wave controller
Throttle: Full twist throttle included
Display: Full-colour SW900 LCD display
Pedal Assist: 8-magnet pedal assist sensor included
Brake Levers: Brake cut-off levers included for compatible cable-operated brakes. Optional to fit.
Torque Arms: 2 heavy-duty stainless steel torque arms included
Controller Storage: Controller bag included
📱 40A Bluetooth Sine Wave Controller
The kit includes a 40A sine wave Bluetooth controller which can be programmed through the compatible mobile app.
The Bluetooth programming system allows you to adjust controller parameters and customise the riding experience to suit your requirements.
Bluetooth App Features:
- View real-time controller and battery information
- Adjust controller current and power output
- Configure low-voltage protection settings
- Adjust acceleration response
- Adjust pedal assist speed levels
- Configure regenerative braking settings where supported
- Motor phase and hall sensor self-learning
- Save, import and export controller settings
- Configure speed restriction parameters
250W Limit Mode:
The Bluetooth app allows the controller to be configured for restricted operation, including a 15.5mph (25km/h) pedal assist speed limit and throttle restrictions.
Once configured, the limiter mode can be activated using the upper arrow button on the SW900 display.
Please see the product images for more information about the Bluetooth app, controller settings and limiter functionality.
Important: Restricted controller settings do not automatically make a 1500W rated motor UK road legal. Please refer to the legal notice below.
🔩 Heavy-Duty Stainless Steel Torque Arms
The kit is supplied with 2 heavy-duty torque arms – one of each style.
Both are manufactured from 6mm stainless steel and designed to provide additional axle support for high-powered hub motor installations.
If your particular frame or installation requires additional torque arms, these must be purchased separately.
🔋 Optional 48V 20Ah Lithium-Ion Battery
Available with our compact 48V 20Ah lithium-ion battery, designed to deliver reliable power while maintaining a compact form factor.
Voltage: 48V nominal
Capacity: 20Ah
Battery Energy: 960Wh
Cells: Grade A original manufacturer-produced 21700 lithium-ion cells – 50GB model
Cell Quality: Premium OEM-manufactured cells from a globally recognised Tier 1 producer
Battery Design: Compact sealed battery pack
BMS: 40A Battery Management System
Charger: 54.6V 3A charger with UK plug
Cell Format: 21700 cylindrical lithium-ion cells
Documentation: MSDS, UN38.3, CE and UKCA documentation stated as available
Design: Extremely compact 20Ah battery configuration
Battery Package Information:
The battery and charger are supplied only when the battery package option is selected. They are not included when purchasing the conversion kit on its own.
📦 What’s Included
Standard Conversion Kit:
- 1500W brushless rear hub motor wheel
- Original MTX39 rim with 36 black stainless steel spokes
- Original Shimano 7-speed freewheel
- 40A sine wave Bluetooth controller
- Bluetooth app programming capability
- Full-colour SW900 LCD display
- Full twist throttle
- 8-magnet pedal assist sensor
- Brake cut-off levers
- 2 × 6mm stainless steel torque arms
- Controller storage bag
Additional Items With Battery Package:
- 48V 20Ah Grade A 21700 lithium-ion battery
- 40A BMS integrated into the battery
- 54.6V 3A charger with UK plug
🚚 Payment & Delivery
✅ UK Stock – Dispatch from our UK fulfilment warehouse once stock becomes available.
✅ Fast Delivery – Typically 2–3 working days following dispatch, depending on the delivery service and destination.
✅ Klarna Available – Eligible customers can choose available Klarna payment options at checkout, subject to approval.
✅ PayPal Accepted – Secure checkout through PayPal.
⚠️ Important Legal Notice
High-powered e-bike conversion kits rated at 1500W do not meet the standard UK Electrically Assisted Pedal Cycle (EAPC) motor power requirement of 250W maximum continuous rated power.
The ability to configure a controller to restrict motor output, pedal assist speed or throttle operation does not, by itself, make a 1500W rated motor compliant with UK EAPC legislation.
Customers are responsible for ensuring that the completed bicycle is used only where legally permitted and complies with all applicable regulations.
250W kit
1500W kit
1000W kit
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