[header] How to remove a bike chain [title] Get a chain tool. [step] A chain tool is a small, handheld tool with a rotating handle and metal pin that pushes the rivet out of a chain link so it comes apart. You can find a chain tool online or at your local bike shop. 
[title] Insert one of the links on your bike chain into the chain tool. [step] The chain tool should have 2 prongs on it (next to the small metal pin) that will fit around one of the links on your bike chain.