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.

SPECS:

• Model No: CS-M5100-11
• Combination name (Group name): 11-42T 
• Type: HG
• Compatible chain LINKGLIDE, HG: 11-speed
• Rear speeds: 11
• Aluminum spider arm_QTY (pcs): 1
• HG spline (Others): yes
• Steel gear QTY (pcs): 11