Description: Compact and lightweight design makes it easy to store and carry. Slightly curved design makes it fit well to improve brake force. With unique drainage groove design, it enhances the adaptability to bad weather and road conditions. You can easy to disassemble and replace the separately lightweight aluminum alloy shell. It is safe and silent, which makes your brakes more responsive without hurting your rims. It is constructed of rubber material. And the brake pads are applicable to 451/20 inch/18 inch/16 inch/14 inch folding bike. The length of the product is 5.5cm, the width is 1.03cm and the height is 4cm. It is suitable for mountain bike, electric bike v brake. It is suitable for steel, aluminum and iron rims, not for 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.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 Pair of Bicycle Brake Pads