1、Superior Texture: Made of hard wearing rubber and aluminum alloy, it is durable, corrosion resistant, tough, and suitable for all weather conditions. 2、Easy to Install: Each pair has left and right, please read the words on the brake pad before installation. L for installed on the left, R for installed on the right. 3、Detachable Screws: There are removable screws for replacement of brake pads. Suitable for road bicycle caliper braking system. Perfect solution to the problem meets the needs of use. 4、Tread Pattern Design: Bicycle brake pad surfaces and tread patterns are specially designed to provide better braking capacity and lower noise. 5、Prevent Sand: Unique sand guide groove can effectively prevent sand damage to the rim, with professional manufacturing and superb craftsmanship. Item Type: Brake Rubber Block Product Material: Aluminium alloy Weight: Approx. 52g / 1.83oz Features: Drainage design and anti friction Application: For road bicycle caliper braking system 2 x Brake Rubber Block