Bicycle Front Shift Hanger Stable hak for Road Bikes Components CG21 Red Description: [Hak Premium derailleur]: Made of materials, this derailleur hanger is practical and suitable for long-term use. [Precisely Crafted]: This bike front derailleur hanger has been made with precision using CNC machining aluminum alloy, ensuring and efficiency. [Accessories]: Our bike frame hanger, front derailleur adapter, hak fixed and hanger mounting clamp element provide a comprehensive solution to meet your needs. [Improve Your Cycling Experience]: This derailleur hanger is designed to enhance your riding experience by providing a smooth and stable operation. Specification: Material: Aluminum Alloy Size Chart: CG21 Hole spacing: 1,7 cm/0,67 inch, 2,1 cm/0,83 inch CG22 Hole spacing: 1,7 cm/0,67 inch, 1,8 cm/0,71 inch The package includes: 1 hak front derailleur 2 screws