| - Chainring: 53/39T, 53/36T, 52/39T. Teeth 6061/T6 CNC or 7075/T6 CNC |
| - Crank: Forged 6061/ T6 Alloy |
| - Length: 140, 152, 165, 170, 172.5, 175mm |
| - BCD: 130mm |
| - Axle length: 117.5mm |
| - Speeds: 9~12s |
| - BB-Axle: ISIS Drive JIS |
Tel: +886-4-23332756 Fax: +886-4-23322766 E-mail: doris@s-shun.com