Features: This aluminum alloy small bike caliper bracket directly upgrades stock brakes to hydraulic brakes, enhancing braking performances for safe riding on popular models , featuring easy installation without modifications. Designed with precisions cutting for exactly fit, it includes all hardware for not drill setup and boasts a rust resistant black coating to withstand outdoor like moisture and mud, ensuring durability and reliability. Ideal for DIYer enthusiasts and owners of small bicycles , this bracket simplifies upgrades for beginners while maintaining high functionality. Perfect for challenging terrains like downhill slopes, paths, and muddy trail, it delivers responsive hydraulic braking to improve control and stability in diverse riding scenarios. Its lightweight, bicycles inspired cutout design reduces weight without sacrificing styles, promoting better handling and aesthetics for an enhanced overall cycling experience. Specifications: Component: Aluminum Alloy Suitable for small 51mm hydraulic calipers (calipers is not included) Package Includes: 1Set Hydraulic Brake Caliper Bracket note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.