500W Motor Parameters:  

Max Speed (KM/H):32-35km/h

Speed (Rpm):265-325Rpm

Torque (N.M):60-63N.M

Front drive open size (mm):100mm

Rear Rotate drive open size (mm):135-142mm

Rear Cassette drive open size (mm):142mm

Magnet height (48V):24H

Number of magnet poles:20

Wheel Diameter (Inch):20"/24"/26"/27.5"/28"/29"/700C---Optional

 22A Controller details:  

Dimension :128 * 68 * 38 mm

Mosfet :9 Mosfets

Maximum current :22±1A

Rated current :11A

Rated voltage :DC36V/48V

  Packing List:  
Conversion Kit not include Battery

1 PCS * 500W Hub Motor with Rim and Spokes

1 PCS * 500W Motor Controller

1 PCS * Controller Bag(not battery)

1 PCS * Display(option)

1 PCS * Throttle

1 PCS * PAS Sensor

1 Pair * Brake Levers

Gifts: 1*Controller Bag( not battery) + 5*Install cable ties + 1*stretch film+ 1*Installation Manual

TIPS:
Different kits have different specifications of accessories.Specification information is in the main picture.