The Park Tool Gear Cleaning Brush is specially made to wick dirt off of your drivetrain so you can say goodbye to a dirty groupset.

This brush features a large comfortable handle with a curved, toothed-end that reaches dirt deep between the gears. The tough nylon bristles clean the derailleur and chain. By using the Park Tool Gear Cleaning Brush, you save yourself from unnecessary wear and tear on your chain and freewheel.