Description: This premium aluminum bracket rack designed for folding bike front carrier block. High quality aluminum alloy- Durable, crackproof and stronger, mounting hole spacing is 25.5mm. Mounting screws, bolt, and gasket included for easy installing. Used for cargo bag or bottle cage adapter and carrying S bag or bracket bag. Sprung clip design keeps luggage in place while riding. Specification: Size: 53x66x70mm/2.09x2.60x2.76inch Package Includes: 1 Piece Bike Front Carrier Block Bracket 1 Piece Clip 2 Pieces Mount Screws 1 Piece Wrench Note: Please allow slightly difference due to manua l measurement. Color may be slightly different since different monitor. Thanks! Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.