USERX Universal motorcycle 10MM 12MM rear shock absorber sleeve buffer rubber ring bushing fixed ring rear sleeve scooter This product is a set of rear shock absorber sleeve components designed for universal fitment on various motorcycles and.It includes rubber rings and bushings used to secure the rear shock absorber in place.The sleeves are available in 10MM and 12MM sizes, providing compatibility with different rear suspension systems.These buffer rings help reduce vibration and noise by creating a secure fit between the shock absorber and mounting points.The kit is suitable for use on standard scooter and motorcycle models that require replacement or upgraded rear shock hardware.Installation is straightforward, replacing worn or damaged parts with equivalents.