Park Tool GSC-1 Gear Clean Brush

The Park ToolGear CleanBrush has a unique design. A large comfortable handle with a curved, toothed-end reaches dirt deep between the gears, and tough nylon bristles clean the derailleur and chain. Saves wear and tear on your chain and freewheel. Works great on brakes or other places where dirt collects. 10 speed compatible. Handy size to take along for quick cleaning anywhere. Made of sturdy nylon. Park ToolGear CleanBrush Features Helps eliminate chain skip caused by dirt build-up Cleans dirt and grit from freewheels, derailleurs, chains, pulley wheels, chain rings Saves wear and tear on your chain