Thickness: 1.0/1.5/1.85/2.0/2.18/2.35/2.5MM Our Flywheel Gaskets Are Made Of Aluminum Alloy. The Gaskets Are -, Rust-Proof And Have a Long Service Life. It Is Suitable For Mountain Bikes, Road Bikes, And Has a Wide Range Of Applications. Including 7 Sizes, Choose The Appropriate Thickness According To Actual Use Requirements<br><br>Colour: black Material: 6061 aluminum alloy Size: 39 x 35mm<br><br>Package Contents: 1 x 1.0mm washer 1 x 1.5mm washer 1 x 1.85mm washer 1 x 2.0mm washer 1 x 2.18mm washer 1 x 2.35mm washer 1 x 2.5mm washer<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.