The uninterrupted shifting experience of the DURA-ACE R9200 12-speed cassette range lets you climb, sprint, and push your limits without stopping to think about your next gear change. Larger driving cogs maximize drivetrain efficiency and create compatibility with both Shimano 11 and 12-speed freehub bodies.

Features:

 Faster, seamless shifts under maximum pedaling load.

 Refined 12 step gear combination provides peak efficiency and accelerating performance for every situation.

 Compatible with new 12-speed and road 11-speed FREEHUB body.