Features1Use highquality rubber to dissipate heat and wear, and not hurt the rim. The builtin metal frame improves the overall strength and effectively reduces the noise. 2Rubber, heat dissipation and wear resistance, effective throat reduction, fine and soft gum, stable quality. 3Delicate and soft, uniform rubber quality inside and outside, no obvious color difference, no slip, no vibration, no aluminum ring. 4The builtin metal frame improves the strength, enhances the overall strength, efficiently transmits power, and reduces edge vibration noise. 5Drainage grain can effectively drain rain water, and the design of drainage silt and sand troughs enhances the adaptability to severe weather and road conditions. 6The curved design fits the surface, fits the rim, and effectively brakes. 7Exquisite workmanship, titanium and chromium plating, exquisite accurate, durability and high strength.SpecificationItem type:Bicycle Brake PadMaterial: High quality rubber + stainless steel + aluminum alloyColor: blackSize(length x width x height): Approx. 7x3.9x1.7cm/2.8x1.5x0.7inWeight: Approx. 158gPackage List4 x Bicycle Brake Pad