13 Tooth Front Sprocket for TREX 50cc ~ 125cc (420) Description

Front sprocket for TREX 50cc, 125cc.

It can be mounted on the following TREX :
- Skyteam 50cc (ST50),
- Skyteam 125cc (ST125)

Dimensions:
- Tooth: 13,
- Chain pitch: #420

Tip:
- When mounting a smaller front sprocket (less tooth), the engine will be more responsive and the maximum speed will decrease.
- When mounting a bigger front sprocket (more tooth), the maximum speed will increase and the responsiveness of the engine will decrease.