This 27.5 inch bike conversion kit combines the full E-bike technology: direct drive Brushless Gearless high torque hub motor to change almost every bicycle into a personal electric bike. Save energy, protect environment and save money with a lot of fun.
This 27.5 inch bike motor kit can work with a 48V or 52V battery.

Main Features:
>. Rim: 27.5 inch / 650B double wall Alloy 
>. Spoke: 12 gauge / 173mm Length × 36 pcs
 

>. Engine: Bldc hub motor
>>. Voltage: 48V / 52V
>>. Power: 1500W
>>. Efficiency: 90.5%
>>. Max speed: 38.1mph
>>. Mechanical brake: Disk or  V
>>. Freewheel: max 7 speed
>>. Cable location: shaft end, LEFT
>>. Cable length:100cm / 40" -- Update “3mm phase wires” & "Newest version hub"
>>. Install: spacing of 135mm rear fork
>>. 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: 1500 Watts
>>. Casing material: aluminum
>>. 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 × 72 mm W × 38 mm H

LCD-S830, More Function:
* Cruise -- Green button Control (While motor is working,press green button one time,it will be "CRUISE" - running as the same speed)
* Reverse -- Yellow button Control ("Left side & mid / forward -- "Right side / backward")
* Kmh / mph
* Speeds ( 0 - 5 ) -- "0" is off. "1" is the slowest. "5" is the fastest.
* ...

Package Content:
1 x 27.5 inch / 650B 48V / 52V 1500W rear bike motor wheel
1 x 48V / 52V 1500W 18-MOSFET motor controller
1 x LCD-S830
1 x Twist throttle -- Cable length: 1500mm
1 x Brake levers -- Cable length: 1500mm
1 x Three button switches ( control cruise, reverse .. ) -- Cable length: 1500mm
1 x Pedal assist -- Cable length: 900mm

Net Weight: 25.6 lbs
Package Size: 64cm L × 64cm W × 25cm H
Package Type: Cardboard Box
 

Diagram:	Motor Drw.	Performance: