Specification: Model: Adjustable bicycle parking clip Quantity of delivery: One piece Color: Black Weight: 0.3 kg (package weight) Product size: Refer to the image Installation steps: Start by placing the bicycle vertically against the wall with the bottom tire on the ground. Mark where the front wheel touches the wall and mark each mounting hole for the clip. Then drill or screw into the wall using the included hardware kit. Once the clip is installed, you can adjust the width of the opening by pressing the two side buttons simultaneously. Now slide the bicycle tire into the clip until it clicks into place, then push the clip arm back until it grips the wheel firmly. To keep the bike in place, you must keep the bike upright with the rear tire against the wall. You have just completed a safe and secure assembly that will not cause any slippage on your bike. Describe: Adjustable Design: This wall-mounted bike rack has an adjustable width for mountain bikes and road bikes. Gain Space-saving: Unlike traditional racks, this wall-mounted bike rack is designed for indoor parking and can hold the bike vertically against the wall or floor to save space. Easy installation: We provide two expansion screws with slots in the installation diagram, so you can securely fix the bike rack in the correct position—very convenient. Appearance: This wall-mounted bike rack is made of high-strength PC plastic, making it sturdy and heavy-duty, stylish and attractive. It's safe and allows you to freely use your creativity, providing free parking anytime, anywhere. Widely used: Bike clips can be used in bedrooms, garages, storage rooms, sheds, etc. It is also ideal for showcasing bicycle retail stores.