The KMC Digital Chain Wear Indicator provides a quick and accurate way to assess the condition of your bike chain. Its digital display offers precise measurements helping you determine when it's time for maintenance or replacement. Compact and easy to use it's a valuable tool for cyclists looking to maintain optimal performance and prolong the life of their chains.Fits all chains including 11-speedMeasures up to 2.5mm of elongation and displays measurement on the digital screenStainless hardened metal body for durabilityProvides quick and accurate assessment of bike chain conditionCompact and easy-to-use designDigital display offers precise measurements for maintenance or replacement timing