44-piece bike repair tool set designed for bicycle maintenance and repair. It contains all necessary tools, including 17 different wrenches, 5 different sockets, and other essential tools. For most bikes - Easy to use for regular bicycles, covering common tasks such as disassembling the wheel, changing the bottom bracket, removing the chain, adjusting spokes, and repairing tires. - Versatile enough to handle a wide range of routine maintenance and minor repairs. High-quality materials - Wrenches and sockets are made of high-quality steel with heat treatment. - High hardness and good toughness provide long service life, with resistance to deformation and rust. User-friendly design - All metal tools are deburred to prevent hand injuries. - Non-slip handles enable secure grip and precise operation. - Thoughtful details and solid construction reflect high quality and reliability for every bicycle user. Use scenarios - Routine home maintenance on road or mountain bikes: wheel disassembly, chain removal, spoke adjustments, tire repairs, and bottom bracket work as needed. - General tune-ups and repairs in a home workshop or bike shop: perform regular maintenance tasks with confidence using the complete set.