The true spirit of the sport
Ultegra is "pro-proven" as it is a direct trickle-down from the Dura-Ace groupset.
Product details
- Quick and smooth front shifting under high pedaling torque
- Programmed control of chain guide
- Full and semi synchronized shifting program
- Redesigned to fit wider gear pitch without sacrificing shifting
- System communication with rear derailleur
- Programmed control of chain guide works for minimal chance of chain drop