9 Pieces in 6 Thicknesses: One kit covers every spacing scenario you'll encounter – 1 mm (1 pc), 1.5 mm (1 pc), 1.85 mm (3 pcs), 2 mm (2 pcs), 2.18 mm (1 pc), and 2.35 mm (1 pc). The extra 1.85 mm pieces handle common 11-speed conversions easily
Complete Compatibility: The bike cassette spacer kit works seamlessly with all standard cassette speeds from 7 to 11. You can adapt any cassette to any compatible freehub body for perfect drivetrain alignment – instant bike updates at your fingertips
Robust Construction: These aluminum alloy flywheel hub washers deliver strength without adding unnecessary weight to your drivetrain. Precision machining ensures consistent thickness tolerance, while the anodized finish resists wear from rough handling
9-Splined Flywheel Washer: Internal splines lock perfectly onto freehub bodies, preventing rotation during pedaling forces. This secure engagement eliminates cassette wobble and maintains precise gear alignment for smooth shifting performance every ride
Wide Application: Universal compatibility spans mountain bikes, road bikes, gravel bikes, hybrid bicycles, and more. Any bike using standard cassette freehub systems can benefit from these cassette gaskets. Perfect addition to any cyclist's repair toolkit