Reliable Braking Performance: Made from high-quality rubber and aluminum alloy for strong, consistent braking in all weather conditions. Silent & Smooth Operation: Designed for a quiet ride — if noise occurs, simply adjust the angle for a perfectly silent brake. All-Weather Grip: Specially designed grooves help drain water and maintain braking power on rainy days, preventing slippage. Wide Compatibility: Suitable for most side pull and center pull brake systems on mountain bikes, road bikes, and hybrid bikes. Durable & Easy to Install: Comes with 2 pairs (4 pads total), offering long-lasting use and quick installation.