CASSETTE SPROCKET, CS-R9200, DURA-ACE, 12-SPEED, 11-34T On Made with Mosa bamboo charcoal

Made with Mosa bamboo charcoal to absorb odor

clean your chain

there's no missing it now

BlackChili Compound provides the best balance of grip and rolling resistance for cycling

CASSETTE SPROCKET, CS-R9200, DURA-ACE, 12-SPEED, 11-34T On Made with Mosa bamboo charcoalThe 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