【Complete Bike Chain Repair Kit】Our bicycle chain repair kit comes with everything you need to fix your bike chain on your own whether at home or on the road. Sturdy and durable to use, suitable for BMX, folding bike, mountain bike, road bike etc. 【Quick Joining & Removing】This kit with bike link pliers that allow you to quickly and easily remove and join links in bike chain. It allows you to both open and close chain connectors while the anti-slip handles provide a firm grip and more control. 【Easy to Break & Rechain】The bike chain rivet extractor with chain hook makes it easier and faster to remove and insert pins in your bike chain while keeping it firmly in place to prevent it from moving. It’s easy to install and remove bicycle chains 【Chain Wear Indicator】To help you understand when it’s time to change the bike chain we include a chain wear checker and indicator to estimate the condition of the chain. If the 0.75 or 1.0 tooth through the chain then it’s time to changed it. 【Effective Cleaning】3-sided bristles allows you to clean all 4 sides of your chain, made scrubbing the chain and removing the crud super easy, the long bristle side allows you clean other parts of your bike like sprockets and wheel for longer use.