Specifications:
Overall Dimension(Dia.xW): 25 13/16" x 1 3/4" (65.5 x 4.5 cm)
Compatible Tire Size: 26"
Rim Diameter: 22 7/16" (57 cm)
Axle Length: 8 1/4" (21 cm)
Rear Dropout Spacing: 5 5/16" (13.5 cm)
Motor Diameter: 9 1/2" (24.2 cm)
The Number of Spokes: 36
Spokes Length: 6 5/16" (16 cm)
Spoke Specification: 12G
Controller Power: 1000W
Motor Voltage: 48V
Motor Rotating Speed: 440 RPM
Motor Torque: 33.2 ft-lb (45 Nm)
Recommended Battery Specification: 48V/30A
Recommended Battery Capacity: 17 to 20Ah
Suitable Brake Type: Disc Brake / V-Brake
Suitable for Maximum Flywheel Speed: 6/7 Level
Weight Capacity: 220 Lbs (100kg)
Climbing Angle: 12 Degrees
Net Weight: 24.7 Lbs (11.21 kg)

Package Contents:
1*26" Rear Wheel with Brushless Hub Motor
1*Battery Connection Cable
1*Electric Controller
2*Hand Brakes
2*Handle Grips
1*Thumb Throttle
1*Controller Bag
1*Set of Winding Pipe and Cable Tie
2*Terminal Boxes
1*Manual
1*Spoke Key

Notes:
1. This kit includes a 26in front wheel (battery and tire are excluded). Please measure the size of your existing tire before purchasing.
2. Please note that it is only suitable for front-wheel installation on two-wheeled bicycles. It cannot be used for three-wheeled or multi-wheeled vehicles.
3. When connecting the controller to the wires, please make sure to connect the correct color to it. Otherwise, the controller may be damaged.