Front Sprocket

1. Adopt the 20CrMnTi alloy steel, forging technics and completed carburization heat treatment.
2. Various kinds of surface color as customer's request.
3. Sustain at least 40000 working life.
4. The hardness can be 58-64 HRC after high-frequency quenching treatment.
5. The special rubber can be fixed on the teeth bottom to reduce the noise and wear.
6. Accept OEM production as per customer's drawing.

Rear Sprocket

1. Adopt the C45 high carbon steel, forging technics.
2. Various kinds of surface color as customer's request. Such as white and color zinc galvanization.
3. Sustain at least 30000 kilometers working life after forging technics.
4. The hardness can be 40-50 HRC after high-frequency quenching treatment.
5. The special rubber can be fixed on the teeth bottom to reduce the noise and wear.
6. Accept OEM production as per customer's drawing.