Features: Make from aluminum alloy, it have high strength and durability, allowing it to bear the pressures and impacts of daily cycling. With its direct mounted designs, the road bike front derailleur hanger can effortlessly installed without the need for 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 designs of the bike front derailleur hanger effectively reduces the risk of chain drop during Cycling. By providing a secure and stable holding mechanism for the chain, it ensures a safe and more consistent cycling experience. Specifications: Materials: Aluminum alloy Styles: CG21 Black/CG21 Redness/CG22 Black/CG22 Redness Size: as shown in the picture Package Includes: 1pc Bicycles Front Derailleur Hanger note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.