Click to open expanded view Electomania Chain Checker Bicycle Bike Repair Kit Chain Wear Indicator Gauge Repair Bicycles Bike Tool Kits, Compatible with All Chains

Portable and light-weight Easy to handleA worn chain shifts poorly and wears sprockets at an accelerated rate.0.75% and 1%the points at which chain experts suggest replacementCompatible with all chainsA must have item for any keen cyclistMaterial: Stainlee