How to Size a Bicycle Chain

Replacement chains for bicycles are always longer than you need. This video will take you step by step through sizing a bike chain, including determining whether your old chain was correctly sized, sizing to an old chain, and the largest cog & chainring method, as well as some exceptions and considerations such as rear suspension and chain guides. Video contents: 00:39 Tools Needed 00:57 Check & Remove Chain 02:57 Sizing to Original Chain 04:01 Sizing to Largest Cog & Largest Chainring 06:26 Exceptions & Considerations