Optio Cycle Chain Wear Tool Checker Indicator Gauge Bike

APPLICATION: This bicycle chain measuring tool is designed to accurately measure chain stretch and wear, and decide whether the chain needs replacing. UNIVERSALITY: The Bicycle Chain Measuring Key is suitable for most bicycle chains, including Shimano, Sram, Campagnolo and other brands. DETAILS: This bicycle chain measuring tool has the following specifications: length 140 mm, width 48 mm, weight 33 g. Accurate measurement of 0.75% or 1.0% bike chain wear. SUITABLE: This bike chain gauge is suitable for all types of bikes - mountain bikes, road bikes, city bikes. Always to hand in your bike bag. PRACTICAL: When replacing a chain link, this bicycle chain wrench can be used to secure the chain. Regularly checking chain wear with our chain wrench helps prevent bicycle chains and sprockets from breaking.