Cyclists Avoid Costly Repairs: Use a Ruler or Chain Checker to Replace Chains at 0.5% Wear
Posted by Matt Russ on 30th Sep 2026
Cyclists: Use a Ruler or Chain Checker to Replace Chains at 0.5% Wear
Replace most modern 11 and 12-speed chains once they measure 12 inches plus 1/16 inch across 12 links, or about 0.5% elongation,
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