- Crafted from high-quality, durable steel to ensure longevity and reliable usage. - Dimensions: 5.5 x 11.89 inches (14 x 5.8 cm); Color: Silver. - Essential tool for monitoring chain wear, allowing you to maintain your bicycle's performance and safety. - Easy-to-read measurement indicators: - If the 0.75 size fits, the chain is nearing the end of its usable life and should be replaced soon. - If the 1.0 size fits, it's time for an immediate chain replacement to prevent damage and ensure optimal performance. - Suitable for various bicycle types, including road, mountain, and hybrid bikes. - Ideal for both professional mechanics and casual cyclists, offering precise chain wear assessment to enhance riding efficiency and prolong the lifespan of your drivetrain components. - Maintain your bike’s performance effortlessly and avoid unexpected breakdowns by keeping track of chain wear with this reliable tool.