Because of a good quality tire pad, the chance of a tire blowout can be effectively prevented.After weathering, the displacement won't occur with moderate elasticity, which the inner tube will be scratched.Made of high-quality nylon material, the pad has good wear resistance, toughness and good fatigue resistance.There are 4 different sizes for you to choose from 26 inches, 27.5 inches, 700C (18MM), 29 inches.It is suitable for outdoor riding. The elasticity of 26 and 27.5 inch mountain bikes can be pulled to 27.5 and 29 inches. 700C is highway.Item Name: Tyre PadMaterial:NylonSize Details:Width: 1.8cm/0.71", Thickness: 0.5/0.20" (Approx.)Notes:Pay attention to the removal of copper chips, water and oil when assembling.Due to the light and screen setting difference, the product's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 X Tyre Pad