Specification: Main:material Aluminum alloy;  Color:Silver/Black/Yellow;  Size:165x59x40mm/6.5x2.33x1.58in;    Features: 100% brand new and high quality;  Aluminum alloy material: hard and compression, safe and stable;  Quick-release design : easy and fast removal.    Package included: 1 x Bike Front Fork Stand;    Installation steps: 1. First measure the length/width/height of the rear row of the car;  2. Then measure the width of the bicycle. In the picture , two bicycles can be placed in the car. Find the center of the board to determine the position of the hole;  3. Use a cross wrench to fix the screws;  4. Fixer installation is complete;  5. Remove the bicycle tire and fix the bicycle on the stabilizer;  6. After the installation is completed, it can be placed indoors and inside the car, which is safe and stable.    Tip: without board and screws, only bicycle fixers;  Random black and white, mainly black.    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. Sold by-YJL official store