SS-BD501
- Chainring: Chainring: 48T 6061/T6 alloy.
- Profile: H8M
- Pitch: 8mm
- BCD: 80mm
- Front Wheel: 48T
- BB-Axle:
SHUN SHING INDUSTRY CO., LTD.
Tel: +886-4-23332756   Fax: +886-4-23322766   E-mail: doris@s-shun.com