The Shimano CS-M9000 Cassette Lock-Ring and Spacer set is a genuine replacement hardware kit designed for Shimano XTR CS-M9000 mountain bike cassettes. This  lock-ring secures the cassette onto the freehub body, while the spacer ensures correct spacing and alignment of the cassette sprockets for smooth, reliable shifting and drivetrain performance.

Manufactured to Shimano’s standards, the lock-ring and spacer provide a secure, durable fit that withstands the demands of aggressive trail, enduro and all-mountain riding. Whether you’re servicing your drivetrain, rebuilding a wheelset or replacing worn parts, this genuine Shimano kit helps maintain optimal cassette engagement and drivetrain longevity.

Features:

• Genuine Shimano replacement cassette lock-ring and spacer
• Specifically for CS-M9000 (XTR) cassettes
• Ensures secure cassette fitment on freehub
• Corrects sprocket spacing for smooth shifting
• Durable, precision-machined construction
• Discipline MTB
• Speed 11 Speed
• Product Type Cassette Spares