LOLTRA E-Bike Rear Wheel Conversion Kit with Bluetooth Function 20 “/ 24” / 26 “/ 27.5” / 28 “/ 29” / 700C Mountain Electric Bicycle with 36 / 48V 250/350/500/100 / 1500W Brushless Hub and KT -LCD8 Display

Fit for 20in / 24in / 26in / 27.5in / 28in / 29in / 700C MTB bicycle
High quality brushless DC hub motor, 36V or 48V available, top speed from 20 km / h to 60 km / h, meets differents requirements on maximum speed
KT-LCD8 Color Display support battery capacity indicator, brake status, speed diplsy, trip distance display, motor power and temperature display etc.
KT controller with Bluetooth