Introducing the CC2 Chain Wear Indicator from trusted cycling experts, Park Tools. This essential piece of kit offers an accurate method for detecting chain wear, before it starts affecting your sprockets, chainrings, and overall shifting performance.The Chain Wear Indicator is indispensible for maintaining the health of your bike. With just 1% of wear enough to degrade your cycling experience, it is of utmost importance to stay on top of chain maintenance. This tool makes that task exceedingly simple.Just insert the Chain Wear Indicators pins into two links of your chain, press the swing arm gauge, and then check the handy gauge window for an accurate reading. You can detect wear from as little as 0.25% up to 1% with this tool, facilitating early detection and replacement of your chain when necessary.Applicable for use with 10-speed chains and created with the quality Park Tools is renowned for, this tool is a worthwhile addition to your cycling kit. Proudly made in the USA, it is cov...