BBB Cycling ChainChecker Chain Wear Tool BTL-125
- Easy to use chain wear checking tool.
- When the 0.75 = 75% wear is reached the chain must be replaced soon.
- When the 1.0 = 100% wear is reached the chain must be replaced instantly.
- Integrated chain hook holds links during assembly.
- Added valve tool and 5/6/8mm box wrench makes this a unique multi-tool.