Features: Make from high strength sponges materials, it resists deformation, wear, and tears. Minimize abnormal tire wear using a carefully engineered design that evenly distributes pressure and aligns with the tire wall curves. Designs to absorb shock and road vibrations, the inner tube reduces pressure fluctuations significantly, offering enhances stability. The multilayered design offering perfect Protections against pointed objects during your biking journey. Provide a secure adhesion between the tire pad and rims, refining edges precisions to boosts tire grip, enhances stability. Specifications: Materials: Sponges Style: Road Bike/Mountain Bike Road Bike Size: about 2300x24mm/90.55x0.95inch Mountain Bike Size: about 2200x45mm/86.61x1.77inch Package Includes: 1Pc Tubeless Pad 4Pcs Fastener note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.