Park tool gsc 1 gear clean brush
The park tool gear clean 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 to take along for quick cleaning anywhere made of sturdy nylon park tool gear clean brush features helps eliminate chain skip caus