Features: High-strength aluminum alloy forging housing, strong and wear-resistant, effectively improve braking performance. Drawer type structure, you can only replace the built-in brake rubber, and prolong the service time. All-weather brake formula rubber, plus enhanced drainage design, to ensure the safety of riding. The tapered fixing screw design can adjust the angle of the brake pad to perfectly fit the rim. Includes a pair of 55mm brake pads, suitable for most V-brake mountain bikes, road bikes, folding bikes, etc. Specifications: Color: Black/ Red/ Blue/ Gold/ Silver/ Purple(optional) Material: Aluminum Alloy + Rubber Size: 55mm/ 2.2in Package Size: 80 * 56 * 13mm/ 3.1 * 2.2 * 0.5in Package Weight: 50g/ 1.8oz Packing List: 1 * Pair of Brake Pads