- The bicycle crank puller is essential for easily removing square crank arms, simplifying maintenance and upgrades for your bike. - Use the chain breaker tool to effortlessly remove and replace chain pins, ensuring your bike's chain remains in top condition for smooth rides. - Our bicycle repair kits provide all the necessary tools for quick and effective repairs, making them ideal for folding bikes, mountain bikes, and road bikes. - The bottom bracket removal tool is compatible with both wrenches and socket wrenches, offering versatility and ease of use for any cyclist. Use Scenarios: 1. If you're upgrading your bike's crankset, the crank puller allows for quick removal of old crank arms, streamlining the process. 2. For on-the-go repairs, the chain breaker tool can save you from a broken chain during a ride, allowing you to get back on the road quickly. 3. When performing regular maintenance, the bottom bracket removal tool provides the reliability needed to service your bike effectively. This product combines functionality, compatibility, and ease of use, making it a must-have for any cyclist looking to maintain or enhance their riding experience.