This is the Shimano Deore XT M8000 HG-X Cassette Sprocket (11-Speed). Ride anywhere with smooth and precise gear changes. Improved driving efficiency and stable shifting. Shave bike weight off without sacrificing durability or reliability.

Features:

• Steel construction on all but the largest aluminum gear
• Nickel-plated finish for corrosion and wear resistance
• Dyna-sys11 cassette with "Rhythm step" gearing for closer gear ratios and smoother shifting performance
• Fits Dyna-sys11 and current Shimano 9/10-Speed MTB hubs
• The largest cog is positioned inboard and above the drive-side flange. hubs with tall drive-side flanges may not be compatible due to spoke interference
• The CS-M8000 cassette meets durability requirements for E-MTB applications