| - Chainring: 52/42/30T, 52/39/30T. Teeth 6061/T6 CNC or 7075/T6 CNC |
| - Crank: Forged 6066/T6 alloy |
| - Alloy Length: 165, 170, 172.5, 175mm |
| - BCD: 130, 74mm |
| - Speeds: 9~11s |
| - BB-Axle: Ouside Bearing |
Tel: +886-4-23332756 Fax: +886-4-23322766 E-mail: doris@s-shun.com