DEF Bike Bicycle Chain Checker Measurement Ruler Wear Indicator Parts Repair Chain Tool CC32

DEF chain checker Features The simplest tool takes only a few seconds for chain checking Best Quality Metals, made from Precision, made of stainless steel material, satin chrome plated for corrosion resistance Only need put the end of the chain checker in the chain, then see if you can place the permanent measuring marked ends into the chain links Wear Indicator, can accurately indicate when chain wear reaches 0.5% and 0.75%. It is a useful tool for quickly measuring the chain wearing degree, convenient, a worn chain shifts poorly and wears sprockets at an accelerated rate For bicycle maintenance For bicycle maintenance You don't need to carry it with you, but there should be one in your toolbox For 1 through 10-speed chains, replace it if the gauge on the 0. 75-percent side fits into the links. For 11 and 12-speed chains, replace when the 0. 5% side fits. The tool will quickly save you from frustration and money