- Comprehensive Tool Kit: This multifunctional bicycle repair kit includes essential tools: main connection pliers, a chain wear indicator, a chain-breaking separator, and three pairs of missing connection connectors. Compatible with 6, 7, 8, 9, and 10-speed chains, it is designed for effective bicycle chain maintenance. - Versatile Connection Pliers: Our bilic connection pliers serve as a reliable chain connection remover and binder for all types of chains. The ergonomic design, featuring a stem and middle spring, allows for easy handling. A built-in pin limits excessive opening, while a buckle at the bottom provides convenient storage. - Efficient Chain Breaker: The chain-breaking separator is specifically engineered to remove worn pins for chain replacement. An iron hook stabilizes the chain during repairs, preventing damage. Crafted from a robust metal frame with a rubber grip, it ensures strength and a secure hold during use. - Chain Wear Indicator: Monitor your chain's condition with this handy control device. It measures chain wear, alerting you to replace it when the indicator passes 0.75 or 1.0, ensuring optimal performance and safety. - Convenient Missing Connection Connectors: These reusable magic chain buckles are perfect for quick repairs on the go. Easily install and detach them to maintain your bike chain while riding. Suitable for BMX, folding bikes, mountain bikes, and road bikes, they simplify chain maintenance and enhance riding reliability. Use this toolkit for routine chain inspections, emergency repairs on long rides, or regular maintenance to extend the life of your bicycle chain. Each tool is crafted from high-quality materials to ensure durability and performance, making this kit an essential addition for any cyclist.