With a unique four-arm spider and
Hollowtech II construction putting strength just where its needed, the
FC-9000 chainset sets new standards for stiffness and low weight.
- Newly designed Chainwheel
- 11-Speed Hollowtech II Crankset
- Asymmetrical 4-Arm 110mm BCD fits 34 to 55 tooth chainrings
- Hollowglide outer chainring for stiffness and light weight