Shimano Deore XT CS-M8100 12-Speed Mountain Bike Cassette 10-51T Micro Spline HYPERGLIDE+ — Wide-Range MTB/E-MTB

Shimano Deore XT CS-M8100 is a genuine Shimano cassette delivering precise, reliable shifting for mountain bike riders.

Genuine Shimano Deore — brand new in retail packaging.

Will it fit? This is a 12-Speed 10-51T, Micro Spline cassette. For the matching Shimano freehub — pair with a compatible 12-Speed chain.

Key Specifications

Technology Highlights

• ✓ HYPERGLIDE+ delivers fast, smooth, shockless shifting in both directions under load.
• ✓ Wide-range gearing makes climbing easier and descents more confident.
• ✓ E-bike rated to handle the extra torque of e-drivetrains.
• ✓ Micro Spline freehub interface enables the 10T smallest cog for a huge range.
• ✓ Genuine Shimano quality — consistent performance and durability.

What's in the Box

• 1 × Shimano Deore XT CS-M8100 cassette
• Lockring & documentation (as supplied)
• Original Shimano retail packaging