Shimano XTR CS-M9100 Cassette — 12-Speed, 10-51T, Micro Spline, Mountain Bike

Shimano XTR CS-M9100 is a lightweight 12-speed 10-51T mountain cassette with titanium and alloy sprockets for race-level performance and a massive gear range.

Race-light 12-speed XTR range — genuine Shimano, brand new.

Will it fit? This is a 12-speed 10-51T cassette for a Shimano Micro Spline freehub. For Shimano 12-speed mountain drivetrains (XTR/XT/SLX/Deore) — pair with a 12-speed HG+ chain.

Key Specifications

Technology Highlights

• ✓ Huge 10-51T range — 510% range for steep climbs and fast straights.
• ✓ Titanium & alloy sprockets — flagship light weight and durability.
• ✓ HYPERGLIDE+ — fast, shockless shifting in both directions.
• ✓ Micro Spline — enables the 10T smallest cog.

What's in the Box

• 1 × Shimano XTR CS-M9100 12-speed cassette (10-51T)
• Lockring & documentation (as supplied)
• Original Shimano retail packaging