Park Tool GSC-1C Gear Clean Brush

Park Tool
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Park Tool’s GSC-1 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. It works great on brakes or other places where dirt collects.


  • 10 & 11 speed compatible
  • Handy size for quick cleaning anywhere
  • Made of sturdy nylon

This product was added to our catalog on July 22, 2015.