Check the listing for details. Electric Bicycle Motor Kit Electric Bike Conversion Conversion Installation Kit. Color: Silver, Black, Condition: New. Listed at 117.47 USD. Specifications Color: Silver, Black Material: Aluminum, Copper, Rare Earth Magnet Steel Speed Gears: Three(80%,100%,110%) Motor Efficiency: ≥78% Rated Voltage: 36V DC Power: 350W Temperature Resistance: 120℃/248℉ Model: MY1016Z3 Suspension Type: Rear Special Feature: Electric Torque: About 10.85N·m Unload Current: ≤2A Unloaded Speed: 3850Rpm Rated Current: 12.5A Rated Speed(Before Speed Reduction):3000RPM Rated Speed(After Speed Reduction): 330RPM Gear Ratio: 9.78:1 Insulation Class: F Protect Grade: IP33 Motor Controller Voltage: 24/36VDC Motor Controller Max Current: 16A Motor Controller Power: 350W Motor Controller Voltage: 1.1-4.2V Under Voltage: 20V Brake: Low Level Suitable Bike Type: Spoke Wheel Bike Suitable Bike Wheel Diameter: ＜68.58cm/27inch Suitable.