Shimano CS-R9200 DURA-ACE 12Speed Cassette Sprocket Size:11x34T Specialty or Polarized Lens Options

Specialty or Polarized Lens Options for Any Situation

reducing to approximately the size of a fist to stash in your jersey pocket with ease

Scratch-resistant Techlite™ is the clearest glass lens on the market

Pole Diameter- 14

Shimano CS-R9200 DURA-ACE 12Speed Cassette Sprocket Size:11x34T Specialty or Polarized Lens OptionsThe 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. HYPERGLIDE+ cassettes have revolutionized off road shifting with their seamless shifts both up and down the gear range. Now it's time for the