How To Buy A Bike Chain Page

You will almost certainly need a chain tool to remove excess links. The most reliable sizing method is to lay your old chain next to the new one and match the link count exactly.

Pay attention to how the chain closes. Most modern chains use a "Master Link" or "PowerLock" (a tool-free connecting link), while some Shimano models still utilize a specific connecting pin that must be snapped off with pliers. 4. The Replacement Threshold how to buy a bike chain

For 11- or 12-speed systems, you should replace the chain when it reaches 0.5% stretch . For 9-speed systems or lower, you can usually wait until 0.75% . You will almost certainly need a chain tool