The 17 inch motorcycle kit 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.
This 17 inch motorcycle motor kit works with a 48V or 52V battery.

Main Features:
>. Rim: 1.4 - 17 or 1.6 - 17 or 1.85 - 17 or 2.15 - 17
>. 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
>>. Freewheel: Single speed
>>. Cable location: shaft middle, Right disc side / 6mm phase wire with 2 sets of hall sensor
>>. Cable length:100cm / 40" 
>>. Rear frame fork / Install: spacing of 190mm or 170mm (190mm version Default or 170mm version optional)
>>. Noise: < 60 db
>>. Surface: Black painted

>. Driver: brushless controller
>>. MOSFET: 18 PCS
>>. With LCD: YES
>>. Rated Voltage: DC 48 / 52 Volts
>>. Min. Voltage: DC 40 ± 0.5 V
>>. Rated power: 2000 Watts
>>. Casing material: aluminium
>>. Maximum Current: 40 A ± 1 Amps
>>. Thermal: aluminum shell and the substrate
>>. 3 phase 120° brushless motor
>>. Operating Conditions: -20~45 °C
>>. Waterproof design
>>. Size: 155 mm L × 75 mm W × 38 mm H

With LCD, More Function:
* Cruise
* Forward & Backward (Optional)
* Kmh & mph (Optional)
* Max speed ( 0 ~ 100 kmh / 60 mph )
* Speeds ( 0 - 5 ) - "0" is off. "1" is the slowest. "5" is the fastest.
* Battery gauge
* ...

Package Content:
1 x 17 inch 48V / 52V 2000W rear electric motorcycle motor wheel
1 x 48V / 52V 18-MOSFET  motor controller
1 x LCD ( display speed, mileage, battery gauge.. )
1 x Twist throttle -- Cable length: 1500mm
 1 x Brake levers -- Cable length: 1500mm
1 x Three button switches ( control cruise.. ) -- Cable length: 1500mm
1 x Pedal assist -- Cable length: 900mm

Net Weight: 14 kg
Package Size: 53cm L x 53cm W x 27cm H
Package Type: Cardboard Box 

Diagram:	170mm dropouts.	190mm dropouts:

17 inch 48V 52V 2000W rear electric motorcycle motor kit
$549