At http://www.over40cyclist.com/ find out how to measure chain wear on a road bike. Measuring chain wear, or what can be called chain stretch, on a road bike isn't as difficult as you might think. You can buy a cheap chain measuring tool that makes it simple. Find out how to measure your chain length using this simple chain tool, and know when to replace your chain.

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Video at    • How To Measure Chain Wear On A Road B...