- Teeth : 15 teeth
- Shaft diameter : Ø 20mm.
- Sprocket : 420.
INFO : If you increase the transmission, increase the maximum speed, but decrease the torque of your engine and lower the transmission, raise the torque of your engine, but reduced the maximum set speed.
*TIP : you know not, not from your chain, you can simply measure the thickness of your crown with a caliper.
- Thickness of 5mm to 6mm : 420
- Thickness 7mm to 8mm : 428