Compact and lightweight design makes it easy to store and carry. Slightly curved design fits well to improve brake performance. With a unique drainage groove design, it enhances adaptability to bad weather and road conditions. The lightweight aluminum alloy shell can be easily disassembled and replaced. It is safe and quiet, making your brakes more responsive without damaging your rims. It is constructed of rubber material. The brake pads are applicable to 451/20 inch/18 inch/16 inch/14 inch folding bikes. The product dimensions are 5.5cm in length, 1.03cm in width, and 4cm in height. It is suitable for mountain bikes, electric bikes with V-brakes. It works with steel, aluminum, and iron rims, but not with carbon rims. Item Name: Bicycle Brake Pads Material: Rubber Features: High Strength, Anti-rust, Corrosion Resistant Size Details: 5.5cm x 1.03cm x 4cm / 2.17" x 0.41" x 1.57" (Approx.) Note: Due to lighting and screen setting differences, the item's color may appear slightly different from the pictures. Please allow slight dimensional differences due to manual measurement. Package Includes: 1 Pair of Bicycle Brake Pads