(GRAVEL) SS-421
- Chainring: 40, 42, 44, 46, 48, 50, 52T
- -: Teeth: 6061/T6 CNC or 7075/T6 CNC
- Crank: Forged 6061/T6 alloy
- Length: 165, 170, 172.5, 175mm
- Speeds: 9~12s
- BB-Axle:
Ouside Bearing
SHUN SHING INDUSTRY CO., LTD.
Tel: +886-4-23332756
Fax: +886-4-23322766
E-mail:
doris@s-shun.com