Shimano CS-R9200 12 Speed 11-34T Cassette Tools Gutter Seal Technology drastically improves

Gutter Seal Technology drastically improves sealing against the elements while reducing seal drag

guard and kickstand mounts

together with the Superflow cut-out that relieves pressure on the perineal area

Subtle doesn’t have to mean boring

Supersonic Ergo

Shimano CS-R9200 12 Speed 11-34T Cassette Tools Gutter Seal Technology drastically improvesEven during maximal efforts up a climb or nearing the finish line, riders no longer need to back off to perform a shift. In any gear, DURA ACE R9200 drivetrains maximize efficiency thanks to larger cogs and retain compatibility with existing 11 speed freehub bodies. All this while increasing to 12 gears and without increasing weight, DURA ACE CS R9200 cassettes are the new paradigm in road shifting.