Park Tool

Park Tool Gearclean Brush GSC-1

Item No. 76347700370

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Est. Delivery Thur. 4/6 - Sat. 4/8

Park Tool Gearclean Brush GSC-1


Park Tool’s 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.

  • Handy size for quick cleaning anywhere
  • Made of sturdy nylon
  • Compatible with most 5–12 speed cassettes and freewheels

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