Main Parameters
0

Rated Power	250/350/500W
Rated Voltage	36/48V
Motor type	Brushless Geared hub Motor
Controller	Brushless Smart Controller
Dropout size	100-135mm
Wheel size	20" 24" 26" 700C 28"
Rated Speed	20-35km/h
Rated Efficiency	>=80%
Reduction Ratio	1:4.4
Waterproof Grade	IP54
Noise (db)	< 50

What the electric bike kit include?  
1 * 250/350/500W Brushless Geared 20" 24" 26" 700C 28" Wheel Motor 
1 * Smart controller 
1 * Thumb Throttle  
1 * SW900 LCD display 
2 * Aluminum Alloy Brake Levers 
1 * 12 Magnets Pedal Assistant Sensor
1 * 1T4 Connecting Cable 
1 * Lithium Battery (Optional)