Shimano CS-M9100 12-Speed Cassette Cog Set - 10T & 12T for Aero Performance R9000 making it ideal for aggressive

making it ideal for aggressive tricks and high-impact riding on concrete and street surfaces

- High-grade Bioveg microfiber with integrated mesh for breathability and environmental sustainability

Equipped with innovative Dyneema dials system and adjustable instep closure for precise fit tuning

screw-on cap with gasket for secure hydration on the move

Shimano CS-M9100 12-Speed Cassette Cog Set - 10T & 12T for Aero Performance R9000 making it ideal for aggressiveUpgrade your cycling performance with the Shimano CS M9100 12 Speed Cassette Cog Unit, featuring a 10 tooth and 12 tooth configuration designed for high precision gear shifting and optimal drivetrain efficiency. This premium cassette cog set is engineered specifically for Shimano's flagship CS M9100 12 speed cassettes, making it the ideal choice for road cyclists, mountain bikers, and gravel adventurers seeking smooth, reliable power transfer.