How To Buy A Bike Chain May 2026

A 12-speed chain is significantly thinner than an 8-speed chain. Using a chain with the wrong width will result in it getting stuck between cogs or failing to shift entirely.

It is a common misconception that a chain is "ready to wear" out of the box. Almost all new chains are sold with extra links to ensure they can fit even the largest touring bikes.

Third-party brands like KMC often produce chains that are cross-compatible, but for the smoothest shifting performance, "replacing like-with-like" is the safest strategy. how to buy a bike chain

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.

While most chains follow a standard "one-half inch pitch" (the distance between rivets), manufacturers like , SRAM , and Campagnolo design their chains to work specifically with the tooth profiles of their own cassettes. A 12-speed chain is significantly thinner than an

Timing your purchase is as important as the purchase itself. Waiting until a chain "skips" usually means you have already damaged your cassette and chainrings.

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 Almost all new chains are sold with extra

The most critical factor is the of your drivetrain. Modern cassettes range from 1 to 12 (and occasionally 13) gears. As the number of gears increases, the space between the cogs on your rear wheel decreases. To accommodate this, chains for higher speeds are made progressively narrower.