Park Tool Gear Clean Brush GSC-1

. Park Tools GSC 1 GearClean Brush 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 for quick cleaning anywhere Made of sturdy nylonBuy Park Tool Gear Clean Brush from Chain Reaction Cycles, the World's Largest Online Bike Store.