Complete Guide To Bike Chain Length: How To Size A Bike Chain

To size a bike chain correctly: the most reliable method is the “big-big plus 2 method” — wrap the chain around the largest chainring AND largest cog (no derailleur), then add 2 full links and 1 quick link. For 1x drivetrains, use the chainstay length method or the manufacturer’s spec. A too-short chain limits which … Read more