Description This mountain and road bike cassette flywheel washer set is designed to provide precise adjustments for your bike's hub. The set includes three washers that ensure a great fit and smooth operation. Ideal for cyclists who demand high performance and reliability, these washers help maintain the integrity of your bike's drivetrain. Features -Color:Black -Material:Aluminum alloy -Size:3.70X3.70X0.50cm/1.45X1.45X0.20in -Robust material: made from aluminum alloy, ensuring longlasting use and reducing the frequency of replacements -Easy installation: slot design allows for quick and easy installation without the need for professional tools, simplifying the process -Adjustable spacers: microadjustable spacers can be tailored to individual needs, providing a more comfortable riding experience -Versatile use: suitable for both mountain and road bikes, making it ideal for various riding scenarios such as mountain biking and road cycling -Convenient replacement: fully meets the needs for replacement and spare parts, allowing users to change them out as neededPackage list: 3 x bicycle cassette gaskets