Check your chain. An accurate way to check for wear of Roller and pin on chains.
- An accurate way to check for wear of roller and pin on chains.
- 1% of wear is enough to affect chainrings and sprockets, and allow shifting performance to deteriorate.
- Just insert the chain Checkers pins into two links, press the swing arm gauge, and then check the gauge window for an accurate reading.
- Reads wear from 0.25% to 1%.
- 10-speed compatible.