Details:
Features:

- Powerful Brushless Motor - Electric bicycle front wheel conversion kit features 36V 750W brushless and gearless hub motor for efficient and noiseless running; can easily convert your bicycle to electric bike and reach the maximum riding speed of 45 KM/H;  suitable for regular bicycles used on commuting and short journey
- Durable & Convenient - Aluminum alloy frame for durability and stability;  can support a heavy weight up to 220 Lbs; drive system without moving chains or gears for anti-friction; thumb throttle with 3 indicators for displaying battery status;  perfect to avoid stopping working caused by low battery suddenly;  you can charge the battery in time
- Great Compatibility - Fit for any 20" bicycle frame with 3 15/16" front dropout spacing; compatible for universal disc brake and V brake;  you can choose the brake you need to use with the wheel;  perfect for bicycle assembly and modification 
- Easy to Assemble - Electric bike conversion kit includes necessary components for installation;  easy to assemble all the parts together for converting ordinary bicycles to electric bikes; you can install the bike by yourself or find a bicycle store for assistance
- Safe & Environmentally-Friendly - Hand brakes shut off the motor automatically for saving energy and preventing the motor from overheating; CE certificated for quality and safety assurance; battery powered design for environmental protection

Specifications:

- Overall Dimension(Dia.xW): 16 9/16" x 1 9/16" (42 x 4 cm)
- Compatible Tire Size: 20"
- Rim Diameter: 16 9/16" (42 cm)
- Axle Length: 6 7/8" (17.5 cm)
- Front Dropout Spacing: 3 15/16" (10 cm)
- Motor Diameter: 7 7/8" (20 cm)
- The Number of Spokes: 36
- Spokes Length: 4 7/16";  4 1/2" (11.3 cm;  11.5cm)
- Spoke Specification: 12G
- Controller Power: 750W
- Motor Voltage: 36V
- Motor Rotating Speed: 500 RPM
- Motor Torque: 36.88 ft-lb (50 Nm)
- Recommended Battery Specification: 36V/25A
- Recommended Battery Capacity: More than 8.8Ah
- Suitable Brake Type: Disc Brake / V-Brake
- Weight Capacity: 220 Lbs (100kg)
- Climbing Angle: 12 Degrees
- Net Weight: 18.3 Lbs (8.3 kg)

Package Contents:

- 1x 20" Front Wheel with Brushless Hub Motor
- 1x Electric Controller
- 2x Hand Brakes
- 2x Handle Grips
- 1x Thumb Throttle
- 1x Controller Bag
- 1x Strip
- 1x Winding Pipe
- 1 Set of Cable Ties
- 1x Manual
- 1x Spoke Key

Notice: 
- 1.Battery and charger are not included;  please prepare them before using.
- 2.The electric wheel is only applicable to conventional bicycles;  not for tricycles;  tractors;  etc
- 3.Please go to automobile repair shops with standard business license for modification.
- 4.For safety reasons;  it is not recommended to use in rainy days and please wear a helmet before riding this electric bicycle for protection.

Notes: Attention: Ebay MAP:$265.9;  Other platform MAP: $265.9.