[Featured Materials] Brake pads for mountain bikes are made of semi-metallic materials, which provide strong initial bite force and enhanced braking performance in wet or dry conditions. These bicycle disc brake pads offer convenient replacement and extended service life. The disc brake pads are free of asbestos and harmful substances, feature good heat resistance, and are easy to install. [Less Noise] Semi-metallic bike brake pads deliver high-performance braking power with smooth, comfortable stops. They offer excellent noise reduction, minimize initial bite time, shorten the break-in period, and reduce noise on smooth roads, making them suitable for road and trail riding. [Comfortable and Durable] Bicycle disc brake pads provide low rotor wear, a comfortable braking feel, and consistent performance. Ideal for mountain biking, trail riding, and downhill cycling. [Multiple Compatibility] Compatible with most disc brake systems including Avid Elixir E1, E3, E5, E7, E9, R, ER, CR, Mag, VIA, GT, X7, X9; SRAM XX, World Cup, XO, DB1, DB3, DB5; Shimano BS-01S, M355, M395, M446, M485, M495. Color: Black Material: Semi-metallic Size: 32.2 x 29.8mm Package Contents: 4 Pairs Brake Pads 4 Springs 4 Latches Note: Light shooting and different displays may cause slight color differences between the image and the actual item. Measurement allows an error of +/- 1-3cm.