KMC - Sprocket Checker Stock Item:Default Title Serrated top pattern and bottom

Serrated top pattern and bottom to anchor shoes even in wet conditions

Data Right Where You Need It

4 extra nipples and washers

Dry clean: No

KMC - Sprocket Checker Stock Item:Default Title Serrated top pattern and bottomKMC SPROCKET CHECKER Use the KMC Sprocker Checker as a sprocket wear indicator to assess rear sprocket condition and avoid chain slip on worn sprockets. The rear sprocket should be regularly checked for wear; especially before long rides, races, and before replacing your chain. Instructions 1. Use with 12 to 21 tooth sprockets. Place the Sprocket Checker chain on sprocket with the bottom round end of the handle between two teeth and the test link