Features1Superior Texture: Made of hard wearing rubber and aluminum alloy, it is durable, corrosion resistant, tough, and suitable for all weather conditions. 2Easy 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. 3Detachable Screws: There are removable screws for replacement of brake pads. Suitable for road bicycle caliper braking system. solution to the problem meets the needs of use. 4Tread Pattern Design: Bicycle brake pad surfaces and tread patterns are specially designed to provide better braking capacity and lower noise. 5Prevent Sand: Unique sand guide groove can effectively prevent sand damage to the rim, with professional manufacturing and superb craftsmanship.SpecificationItem Type: BrakeRubberBlockProduct Material: Aluminium alloyWeight: Approx. 52g / 1.83ozFeatures: Drainage design and anti frictionApplication: For road bicycle caliper braking systemPackage List2 xBrakeRubberBlock