- Multifunctional Bicycle Repair Wrench: This crank puller is specifically designed to easily remove square crank arms, making it an essential tool for bike maintenance. - Essential Bicycle Disassembly Tool: Perfect for outdoor cycling, this compact tool is a must-have for any cyclist. It serves as a reliable bicycle mechanic for home use and helps in disassembling various bike components. - Versatile Compatibility: This bicycle repair tool is compatible with bottom brackets featuring 20 teeth, making it suitable for most bicycles equipped with chain sets. Its multifunctional design streamlines your repair tasks. - Durable and Wear-Resistant: Crafted from high-quality materials, this shaft removal tool is built to last. Its design prevents damage to the teeth of the bike parts, ensuring safe and effective repairs. Use Scenarios: 1. Quick Crank Arm Replacement: Use this tool to swiftly remove crank arms for replacement or repair during a bike ride or at home. 2. Routine Bike Maintenance: Ideal for performing regular maintenance checks on your bicycle, ensuring your ride remains smooth and efficient. 3. Emergency Repairs: Keep this compact tool in your cycling kit for unforeseen repairs on long rides, allowing you to tackle issues promptly. This bicycle repair wrench is an indispensable addition to your cycling toolkit, providing reliability and ease of use for all your bike maintenance needs.