36volt 250watts electric bicycle hub motor,e-bike hub motor,electric bike motor:

Brushless Mini Hub Motor 36V 250W for Rear Wheel:
Voltage: 36V
Power: 250W
Motor Type: Brushless Gearless Mini Hub Motor
Motor Net Weight: 4.5kgs
Motor Diameter: 145mm
Hall Sensor Quantity: 3pcs
Max. Speed: 255RPM (28km/h).
Max. Torque: 15N.M 
Min. Fork Width Requirement: Min.13.5cm (Single-Speed Gear)
Min. Fork Width Requirement: Min.14.5cm (6-Speed Gear)
Corresponding Controller: 36V 250W Controller
Available Speed Gear Quantity: Single Speed, 6-Speed
Disc Brake Available: Single Speed
Available Wheel Size: 16", 18", 20", 24", 26", 700C, 28"(we don't recommend to use 16",18", because the speed is too slowly)