How To Buy A Bike Chain May 2026

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.

A new chain is a minor expense; a new cassette and crankset are not. Investing in a simple chain checker tool can save you hundreds of dollars by alerting you when it’s time to shop. Chain Compatibility | Park Tool how to buy a bike chain

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. Third-party brands like KMC often produce chains that

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. Chain Compatibility | Park Tool A 12-speed chain