The 18 inch 48V / 52V 2000W rear electric motorcycle motor wheel combines the full E-motorcycle technology: direct drive Brushless Gearless high torque hub Motor to change almost every motorcycle into a personal electric motorcycle. Save energy, protect environment and save money with a lot of fun. Saving 10% of electricity, Improve the efficiency of 8% With The Newest Materials Steel Rotor.
  
Main Features:
>. Rim: 1.4 × 18" wall Alloy
>. Spoke: 105mm 10 gauge × 36 pcs
 
>. Engine : Bldc hub motor
>>. Voltage: 48V / 52V
>>.  Power: 2000W
>>.  Efficiency: 90.5%
>>.  Max speed: 67.4 kmh -- 42 mph @ 48V Default (Optional other speed: 30mph or 25mph,15mph...)
>>.  Mechanical brake: Disk or  V
>>.  Freewheel: Single speed or 6 speed, 7 speed sprocket
>>.  Cable location: shaft end, LEFT
>>.  Cable length:100cm / 40" 
>>. Rear frame fork / Install: spacing of 190mm or 170mm or 135mm (190mm version Default or 170mm,135mm version optional)
>>.  Noise: < 60 db
>>.  Surface: Black painted
Package Content:
1 x 1.4 - 18 inch 48V / 52V 2000W rear electric motorcycle motor wheel
Net Weight: 10 kg   /  22 lbs
Package Size: 53cm L x 53cm W x 27cm H  /  20.9"  L x 20.9" W x 10.6" H
Package Type: Cardboard Box 
135mm Dropout Motor.
 
 
 
170mm Dropout Motor:
 
 
 
190mm Dropout Motor: