Wider gear range enhances riding versatility and performance
Optimized tooth profiles reduce friction and increase durability
Dual shift ramps ensure smooth and steady gear changes
High-strength steel construction provides long-lasting reliability
Ascent and descent ramps improve chain guidance and shifting accuracy
Summarized by Shop
Increase your range and shifting performance with the KMC REACT 11-speed cassette. Designed to work with 11-speed mountain drivetrains the REACT cassette offers exceptionally smooth shifting and increased performance due to the wider gear range offerings that will help modernize your 11-speed system.