Park Tool GSC-1 Gear Cleaning Brush


  • A large comfortable handle with a curved, toothed-end that reaches dirt deep between the gears freeing up stubborn dry mud, and tough nylon bristles clean the derailleur and chain
  • Compatible with most 5–12 speed cassettes and freewheels
  • Handy size for quick cleaning anywhere
  • Made of sturdy nylon
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