Shimano XT CS-M8000 11-Speed Cassettes Steel construction on all but the largest aluminum gear. 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. Nickel-plated finish for corrosion and wear resistance. Dyna-sys11 cassette with "Rhythm step" gearing for closer gear ratios and smoother shifting performance.
eBay