Features: Made from aluminum alloy, it has high strength and durability, allowing it to withstand the pressures and impacts of daily cycling. With its direct mount design, the road bike front derailleur hanger can be effortlessly installed without the need for extra adjustments. By stabilizing the chain in the gear shifting system, the road bike carbon frame dropout hook minimizes unwanted chain movement and the chances of it coming loose. The intelligently engineered design of the bike front derailleur hanger effectively reduces the risk of chain drops during riding. By providing a secure and stable holding mechanism for the chain, it ensures a safer and more consistent cycling experience. Specifications: Materials: Aluminum alloy Styles: CG21 Black/CG21 Red/CG22 Black/CG22 Red Size: as shown in the picture Note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1pc Bicycles Front Derailleur Hanger