Silverline Chain Wear Indicator 075 & 10% Wear (241092)Product DescriptionPrecision-stamped chrome vanadium chain wear indicator with satin chrome plating for corrosion resistanceEasy to use and accurately indicates chains stretched by 075 and 1% or morecompatible with 7, 8, 9, 10, 11 & 12-speed chainsSet contains:1 x chain wear indicatorFeatures o..