Two Pack Bike Flywheel Cassette Spacer 1.8mm Flywheel Gasket For Eight Nine Ten Eleven Speed Mountain Bikes Easy Install Tight Fit Reduces Shake 40.5 By 34.7 mm Black

Two-Pack 1.8mm Flywheel Spacer for 8/9/10/11-Speed MTB
✔️ Two-piece spacer set, 1.8 mm gasket, fits 40.5x34.7 mm flywheel

This two-pack flywheel spacer is designed to adjust the height of the cassette on SHIMANO 8/9/10/11-speed mountain bikes. It helps ensure precise alignment, reduces wobble, and quiets ride noise during upgrades or routine maintenance. The spacers measure 40.5 x 34.7 mm to fit tightly with the flywheel.

✅ Two-piece spacer pair for easy installation
✅ 1.8 mm gasket thickness matches common setups
✅ Footprint 40.5 x 34.7 mm for tight fit in cassette area
✅ Compatible with SHIMANO 8/9/10/11-speed MTB cassettes
✅ Includes black color for low visibility

💡 What is a cassette spacer used for in bike maintenance? This handy accessory helps align the cassette height and reduce wobble on mountain bikes. - handy for aligning cassette height on SHIMANO 8/9/10/11-speed MTB - reduces wobble and abnormal noise for smoother rides - simple install, no special tools needed