Description: Made of silicone material. Waterproof and oil resistant, corrosion-resistant. The maximum stroke of the fork can be accurately measured through the height of the travel circle. Ultra light, both functional role, can be used as decorations. Suitable for all 30mm fork tube use. Specification: Material: Silicone Size: Approx. 30 x 30 x 2mm/1.18 x 1.18 x 0.08inch Color: Red Package Includes: 2 Pieces O Ring Seal Note: Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor