Shimano Replacement Parts|Cassettes|CS-M8100 Adhesive Ring (Fits 12-Speed Microspline Cassettes)

Shimano CS-M8100 Adhesive Ring Description:

The Shimano CS-M8100 Adhesive Ring is designed to fit on the backside of the largest cog for various 12-speed Shimano Microspline gravel and mountain bike style cassettes. Its application on the backside of the cassette will eliminate any play between the cassette and the freehub body, ensuring better durability and crisper shifting performance.

Features:

• Sold individually
• See compatibility tab for full list of compatible Shimano Microspline cassettes

This product is expected to become available for purchase on Friday, July 17, 2026