Specification: Model: Adjustable Bicycle Parking Clip Scope of delivery: One piece Color: Black Weight: 0.3 kg (package weight) Product size: see picture Installation steps: Start by placing the bike vertically against the wall with the bottom tire on the ground. Mark where the front wheel touches the wall and mark each clip's mounting hole. Then drill or screw into the wall using the included hardware kit. Once the clip is installed, you can adjust the opening width by pressing the two side buttons simultaneously. Now slide the bike tire into the clip until it clicks into place, then push the clip arm back until it grips the wheel firmly. To hold the bike in place, you need to keep the bike upright with the rear tire against the wall. You have just completed a safe and secure mount that will not cause any sliding effects on your bike. describe: Adjustable Design: This wall-mounted bike rack features adjustable width for mountain bikes and road bikes. Space-Saving: Unlike traditional racks, this wall-mounted parking ring rack is designed for indoor parking and can hold the bike vertically on the wall or floor to save space. EASY INSTALLATION: We provide two expansion screws with cracks in the installation diagram, so you can securely fix the parking buckle in the correct position, very convenient. Appearance: This bike wall mount is made of high-strength PC plastic, solid and heavy, stylish and beautiful, safe and free to use your creativity, free parking anytime, anywhere. Widely Used: Bike clips can be used in bedrooms, garages, storage rooms, sheds, etc. It is also great for displaying in bike shops.