KMC REACT Cassette - 10-Speed, 11-42t, HG Driver Compatible, Black

Expand your climbing capabilities with the 10-speed, 11-42t KMC REACT cassette. Built with a sleek black finish, this wide-ratio block offers an optimal 11-13-15-18-21-24-28-32-36-42 tooth spread, providing comfortable steps and low gearing to conquer steep ascents.

Crafted from durable high-strength steel, this cassette mounts cleanly onto standard Shimano/SRAM 8, 9, and 10-speed HG freehub bodies. Specialized lifting ramps guide the chain fluidly up the cogs, while dedicated lowering ramps ensure swift realignment on downshifts, minimizing drivetrain friction and extending overall component life.

• Speeds: 10-speed
• Range: 11-42t
• Driver body: Shimano HG
• Optimized chains: KMC e10, X10, X10 EL, and X10 SL
• Color: Black