The true spirit of the sport
Shimano's Ultegra 11-speed asymmetric chainrings provide clean chain engagement for reliable riding. The 110 BCD bolt pattern is compatible only with cranks with a matching 110 BCD, 4-bolt pattern.
Shimano's Ultegra 11-speed asymmetric chainrings provide clean chain engagement for reliable riding. The 110 BCD bolt pattern is compatible only with cranks with a matching 110 BCD, 4-bolt pattern.
- Ultegra components lead in all-day riding comfort with smooth power transfer and shifting.
- Redesigned tooth profile for improved shifting and chain retention
- Hollowglide technology for light weight and stiffness
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