Bbb Chainchecker

Easy to use chain wear checking toolwhen the 0.75 75% Wear mark is reached the chain must be replaced soonwhen the 1.0 100% Wear mark is reached the chain must be replaced immediatelyintegrated chain hook holds links during assemblyadded valve tool and 5 6 8mm hex wrench makes this a unique multi-tool

Easy to use chain wear checking toolwhen the 0.75 75% Wear mark is reached the chain must be replaced soonwhen the 1.0 100% Wear mark