1. Labor Saving Design Our bottom bracket auxiliary tool makes removing the bottom bracket a breeze. Its unique design simplifies force application, saves time, and improves efficiency. This tool is a musthave for any serious bike maintenance enthusiast. 2. Effortless Assembly Our bottom bracket auxiliary tool allows for easy assembly without requiring specialist knowledge. Beginners can effortlessly operate it using just a socket wrench and adjustable wrench, ensuring smooth installation every time. 3. Easy to Carry Don't let a loose bottom bracket slow you down. Our portable auxiliary tool for square and spline BBs is compact and lightweight, making it easy to carry and store. Quick repairs are now possible anytime, anywhere—a musthave for every cyclist. 4. Safe Installation The antislip design solves the problem of unstable attachment, preventing the tool from easily falling off the bottom bracket. This protects the bottom bracket sleeve from scratches, ensuring a secure and damage installation.