BACKUP PIN: There is a backup pin with chain separator, made of stainless steel, stronger and not easy to bend UNIVERSAL: The chain removal is suitable for most bikes and can be easily used for 7/8/9/10 speed chains, so you don't need to worry about buying different tools for your home bike EASY TO USE: Easily secure your bike chain with this chain breaker! Easy to remove links, easy to reinstall links. Just line everything up properly and push the pins out and remove the link, again take the time to put the chain back in place, line it all up and push the link pins back DURABLE AND WELL MADE: The chain rivet tool is made of carbon steel, which is very strong and durable, so you don't need to worry about it breaking or bending while cycling. The handle part is made of plastic, coated, very comfortable and non-slip COMPACT AND PORTABLE: This bicycle chain remover has a compact design, easy to carry, you can take it anytime and anywhere