Quick release design: easy and fast removal Designed for quick release of front fork bikes Stable and safe to secure your bike on the rack without scratching your car Easy installation and mounting Fits most types of bikes and cars; adjust the quick release according to your bike's size First, measure the length, width, and height of the rear row of the car Then measure the width of the bicycle; two bicycles can be placed in the car Find the center of the board to determine the hole position Use a cross wrench to secure the screws Fixer installation is complete Remove the bicycle tire and secure the bicycle on the stabilizer After installation, it can be placed indoors or inside the car for safe and stable storage Color: Blue Material: Aluminum alloy Size: 160 x 64 x 40mm Package Contents: 1 x Bike Carry Rack Only the above package content; other products are not included Note: Lighting and display differences may cause slight color variations. Measurement error allowed is +/- 1-3cm.