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The pinnacle of Shimano’s mountain bike groupset range, the XTR CS-M9100 12-Speed Cassette combines low weight and incredible shifting. The Hyperglide+ sprockets have contoured shift gates giving rapid, accurate shifts even under extreme pressure and their hard anodising / nickel-plated finish increases durability and service life. Using alloy, titanium and Chromoloy in the design balances wear and weight, raising the performance bar for cassettes.
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