CHAIN LINK REMOVAL TOOL: This chain link pliers tool for your bicycle is compatible with chains of 7-12 speed. COMPATIBILITY: The LinkFix chain tool opens and closes BBB BCH-01S/08/09/10/11S Smart Link chain closing links. CHAIN ADJUSTMENT: With this chain link removal tool you easily repair chains and remove broken links for effective bicycle repair. DURABLE: The chain delinker is made from extra strong steel with a comfortable kraton handle for efficient bike maintenance. EASY TO USE: The chain pliers features an integrated folding latch so there’s no need to touch the chain.