The Topeak Chain Checker Wear is an essential tool for any cyclist who wants to keep their bike in top condition. Made from hardened steel, this durable tool is designed to accurately measure the wear on your bike's chain, allowing you to perform maintenance when necessary.The integrated chain hook holds links in place during assembly, making it easy to use and ensuring accurate measurements every time. The chain wear indicator provides precise measurements, so you can be sure that your bike is running smoothly and efficiently.Measuring just 10.9 x 2.2 x 1.8cm and weighing only 9.6g, the Topeak Chain Checker Wear is compact and lightweight, making it easy to carry with you on your rides. Whether you're a professional cyclist or a weekend warrior, this tool is an essential addition to your bike maintenance kit.