- Professional Bicycle Repair Tool: Expertly designed for the removal and installation of crank and bottom bracket components. The precision engineering ensures a perfect fit for Hollowtech 2 and similar systems, making it an essential tool for serious bike maintenance. - Durable Carbon Steel Construction: Made from high-quality carbon steel, this wrench offers exceptional durability and stability for all your repair needs. The robust material guarantees long-lasting performance, even with frequent use, ensuring reliable service for years to come. - Versatile 2-in-1 Design: Features an intelligent dual-purpose design. One side efficiently removes the bottom bracket, while the other easily handles crank screws. This innovative design eliminates the need for multiple tools, saving you time and effort during repairs. - Ideal for Home Mechanics: Perfect for both professional bike technicians and passionate cyclists, this wrench meets all your maintenance requirements. Its user-friendly design and dependable performance make it suitable for beginners and experienced mechanics alike. Use Scenarios: 1. Effortlessly remove and install cranksets during routine bike maintenance to keep your bike performing at its best. 2. Quickly swap out bottom brackets for upgrades or replacements, ensuring compatibility with various bike systems. 3. Use at home or in the workshop, providing a reliable solution for any bike repair task you encounter.