BBB ChainChecker BTL-51
Chain wear Indicator -Always know when your chain is worn
-Easy to use chain wear checking tool.
-Checker indicates when the 0.75% or 1% wear is reached. At this point the chain should be replaced.
-Integrated chain hook holds links during assembly.
-Added valve tool and 5/6/8mm box wrench makes this a unique chain checker & multi-tool.
