Replacing a stretched chain is one of the most important maintenance tasks to keep your bike’s drivetrain running efficiently and smoothly. A stretched chain not only reduces performance but can also damage other expensive components like your cassette and chainrings. Fortunately, with the right tools and knowledge, replacing a stretched chain can be done easily and without causing harm to the rest of your drivetrain.
This guide will walk you through recognizing a stretched chain, understanding its impact, and replacing it step by step.
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