Used. Very Good Condition. Shimano XTR CS-M9001 11 Speed Cassette 11-40T. The Shimano CS-M9001 XTR 11-Speed Cassette is a state-of-the-art cassette that features cutting edge technology and design. It has the widest range of any cassette that Shimano has ever produced. The cassette is designed to compliment the rest of the 11-speed M9000 groupset and features Rhythm Step Progression gear steps that provide smooth shifts from gear to gear.
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