SS-8121
- Chainring: 34, 50T. Teeth 7075/T6 CNC
- Crank: Forged 6066/T6 alloy
- Length: 165,170mm
- BCD: 110mm
- Axle length: 107mm
- BB-Axle:
SHUN SHING INDUSTRY CO., LTD.
Tel: +886-4-23332756   Fax: +886-4-23322766   E-mail: doris@s-shun.com