350W Electric Bike Conversion Kit, 36V Brush Motor for Mountain Bike, Installs with Freewheel, Digital Display System for Adults

High-concerned chemical : None Output Power : 750-14920（include14920） Brand Name : Bymaocar Origin : Mainland China Certification : None Use : Electric Bicycle Voltage : 36V Part Type : Twist Kit Rated Speed : 3000rpm Hole Size : 6.5*12mm/0.25*0.47in