Shimano CS M5100
SHIMANO DEORE Cassette Sprocket 11-speed CS-M5100-11 SHIMANO DEORE - 11-Speed - HYPERGLIDE - MTB Cassette Sprocket Perfect for front single and double MTB drivetrains, SHIMANO's M5100-11cassette offers Rider Tuned gear steps for maximum cadence control across the varied terrain of mountain biking.