General description Our Chain Wear Indicator is a durable and elegant tool designed for cycling enthusiasts. Made from wear-resistant aluminum alloy, it allows for quick and accurate checks of bicycle chain wear and stretch, ensuring optimal chain quality. Technical specifications Material: Aluminum alloy Compatibility: Suitable for 8-12 speed bicycle chains Usage The chain wear indicator is easy to use: simply insert it into two links of the chain, press the rocker gauge lightly, and check the counter reading to assess chain wear. Other information The compact and lightweight design makes it a portable maintenance tool that can easily fit in hand luggage.