Wheel Size: 80/100-12 or 3.00-12 rim+tube+tyre.
 Dirt bike/Pit bike/Monkey bike/
70/90/110/125/140/150/160cc
Petrol scooter and electric scooter

Size:
Diameter of the axle hole: 12mm
Distance between sprocket mouning holes: 65mm
Distance between disc mouning holes: 70mm