The medium class Primus among the switching groups in a new guise! The black and anthracite R8000 component group not only improves the appearance of your bike with its distinctive, coordinated design, but also technically makes the Ultegra a big step forward.
- 11-speed cassettes for Shimano road drivetrains with new range option
- Highly engineered cogs deliver premier shifting and durability
- Nickel-plated steel cogs, anodized aluminum spiders, lockring
- 11-32, 11-34 require R8000 GS mid-cage rear derailleur for road use
- Compatible chains: HG-EV 11-speed / HG-X11
- Combinations: 11-32: 11-12-13-14-16-18-20-22-25-28-32