Electric Bike Modified Swivel Rear Drive Kit>>>Features:--Reliable Motor---Powered by brushless hub motor with low operation noise, the conversion device can work reliably for years.--Electric Bike Conversion --- Our conversion kit allows you to add a powerful electric motor to your bike to provide the ideal performance for the vehicle.--Wide range of uses---Suitable for touring bikes, commuter bikes and mountain bikes, powerful and efficient, greatly improving riding comfort.>>>Specification:Wheel type: rear wheelWheel size: 20", 24", 26", 27.5", 28", 29", 700C"Power supply: 48VMotor: 1000WRim: alloy double wallRated speed: 580rpm/45-50km/hAxle: rear 135-142mmMaximum load capacity: 330-440lb / 150-200kgNet Weight: 26lb/12kg>>>Packing list:1x e-bike conversion kit1x controller1x LCD display1x booster2x power-off brake levers1x handlebar1x stretch film5x cable ties1x controller package>>>Note:1. It must be ensured that the connecting machine between motor and controller is firmly connected.2. The installation distance of the pedal assist device is about 5mm.3. Make sure the inner core of each connector is not damaged/broken/bent.4. Please do not change the display parameters at will, use them directly.