Replacing your chain

A worn chain reduces efficiency and accelerates wear on your drivetrain. Regularly measure your chain to know when it’s time for a replacement. This can extend the life of your cassette.


Get the right tools

You only need a chain wear measurement tool—a small investment that saves money over time. Look for one that measures 0.5% wear or less


Measure the wear

Replace your chain as soon as it reaches the 0.5% wear mark. Competitive cyclists may want to replace theirs sooner, as a worn chain significantly impacts performance. You start losing 1 watt after just 0.2% wear..


Register the chain wear

Register your chain wear, new chains, and mileage at

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