48V 1000W 20″ E-bike Rear Wheel Electric Bicycle Motor Conversion Kit Hub

Description: Quiet and Reliable Brushless Gearless Hub Motor Rear Integral Motorized Wheel (hub motor wheel) with tire and tube 20” rear motor wheel with 7-speed freewheel Hub Width: 100mm front or 135mm rear hub motor Motor Specification: High Motor Efficiency: max 88.7% (Save Power) Torque: max torque 35 N.m. RPM: max 420 Speed: 0-40km/h Support standard 6-hole type disc brake Rear Integral Wheel Weight:8.5kg Available Wheel Tire Size: 20”x2.125 Package: 1* wheel