STURDY MATERIAL - Made of high-quality, robust iron, the hook is wear-resistant and durable. The unique structure makes the strength more balanced and stable. It has an excellent load-bearing capacity, up to 77-99 lbs/35-45 kg. Enjoy long-term use. (Note: Please install the hooks in the direction shown in the main image; otherwise, the hooks will be subjected to uneven stress and may fall.) SPACE SAVING - This bike rack can effectively help you save space. It adopts a vertical wall-mounting design, so when you're finished using the bike, simply hang it vertically against the wall. This frees up more space in your garage for storing other items. SAFETY SYSTEM - There is a rubber coating on the surface of the hook, which effectively protects the bike's surface from scratches. The safety locking mechanism design prevents accidental release. Use it with confidence. EASY INSTALLATION - Easy to install, simply follow the steps to complete the installation. First, mark the desired location.