20 inch 48V 52V 1000W rear freewheel hub motor drawing
(https://www.leafbike.com/u_file/2301/11/photo/20-inch-rear-hub-motor-drawing_9337e74e37.jpg)
(https://www.leafbike.com/u_file/2301/11/photo/20-inch-rear-bike-motor-drawing_c24f08014e.jpg)
20 inch 48V 52V 1000W rear cassette hub motor drawing
(https://www.leafbike.com/u_file/2402/09/photo/20-inch-casstte-hub-motor-drawing_33b1331ed3.jpg) (https://www.leafbike.com/u_file/2402/09/photo/20-inch-casstte-bike-motor-drawing_96266876a2.jpg)
Main Features:
>. Hub: Ø420mm Aluminum casted (Hub Fit For: 20 × 2.1/4 or 2.1/2" tire)
>. Engine: Bldc hub motor
>>. Voltage: 48V / 52V
>>. Power: 1000W
>>. Efficiency: 90.5%
>>. Max speed: 69.0 kmh -- 43.9mph Default (Optional other speed: 35mph or 25mph,15mph...)
>>. Mechanical brake: Disk or V
>>. Sprocket: Freewheel or Cassette
>>. Cable location: shaft end, LEFT
>>. Cable length:100cm / 40"
>>. Install: spacing of 135mm fork
>>. Noise: < 60 db
>>. Surface: Black painted
More info about this 20 inch hub motor (https://www.leafbike.com/products/e-bike-hub-motor/20-inch-48v-52v-1000w-rear-casted-hub-motor-wheel-electric-bike-motor-1108.html)