36V 250W eBike 16" 20" 24" 26" 27.5" 29" Front Wheel Conversion Kits with 36V 5.8AH or 8.7AH Integral Lithium Battery 

36V 250W 16"/20"/24"/26"/27.5"/29" Front Motorized Wheel with Controller and 36V 5.8AH or 8.7AH Wheel Integral Lithium Battery
Tire and tube installed
Wireless LCD Display (show Speed/Mileage/Time/Power Gauge) with Thumb Throttle
Can set different pedal mode
Support mobilephone App
Waterproof Grade: IP65
 

Motor Specification:
1) Power: Rated 250W and peak 500W
2) Dropout: 100mm 
3) High Motor Efficiency: > 80% (Save Power)
4) Torque: max torque 30 N.m.
5) Speed: max 35km/h
6) Support standard 6-hole type disc brake