https://www.leafbike.com/
https://www.leafmotor.com/

* The 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.

Main Features:
. Rim: 26 inch 47mm external double wall Alloy Rim Fit For: 26 × 2.8 ~ 3.0" tire
. Spoke: Black 12 gauge / 159mm Length × 36 pcs -- Default black spokes / please leave message for silver spokes
. Engine: Bldc hub motor
. Voltage: 48V / 52V
. Power: 1500W
. Efficiency: 90.5%
. Max speed: 40mph Default Optional other speed: 35mph,30mph or 25mph...please leave message
. Mechanical brake: Disk or V
. Sprocket: Freewheel or Cassette
. Cable length:100cm / 40" -- Update “3mm phase wires” & "Newest version hub"
. Install: spacing of Min.135mm ~ Max.155mm 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 45 ± 0.5 V
. Rated power: 1500 Watts
. Casing material: aluminium
. Maximum Current: 45 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-830, 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
* Max speed 0 ~ 100 kmh / 60 mph -- If set be "32", Max speed will be 20mph / 32kmh
* Speeds 0 - 5 -- "0" is off. "1" is the slowest. "5" is the fastest.
* ...

Package Content:
1 x Wide rim - 26 inch 48V / 52V 1500W rear hub motor wheel
1 x 48V / 52V 1500W 18-MOSFET motor controller
1 x LCD-830 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, reverse .. -- Cable length: 1500mm
1 x Pedal assist -- Cable length: 1000mm

Net Weight: 25.6 lbs
Package Size: 62cm L × 62cm W × 25cm H
Package Type: Cardboard Box

* This motor & controller system handle a 48V / 52V battery From Min 40V....47V,48V,49V,50V,51V,52V,53V,54V,55V.... ~ Max 60V DC.