STURDY MATERIAL - Made of high-quality iron, the hook is wear-resistant and durable. The unique structure provides balanced and stable support with excellent load capacity up to 77-99 pounds (35-45 kg), ensuring long-term use. (Note: Please install the hooks in the direction shown in the main image; incorrect installation may result in uneven stress and detachment.) SAVE SPACE - This bicycle rack helps save space with a vertical wall-mounted design. Hang your bike vertically against the wall after use, freeing up floor space in your garage or storage area. SAFETY SYSTEM - The hook features a rubber coating to help protect your bike from scratches. A safety lock mechanism helps prevent accidental release, providing secure storage. EASY INSTALLATION - Simple to install by following these steps: mark the desired location, drill holes as needed, insert the expansion anchors, and tighten the screws. (Note: Mount the bike rack only on a solid wall.) WIDE APPLICABILITY - Suitable for most bicycles including mountain bikes, road bikes, children's bikes, women's bikes, and folding bikes. Ideal for use in garages, sheds, carports, apartments, and bike shops. A practical solution for efficient space management.