Park Tool GSC-1 Gear Cleaning Brush
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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.
- Compatible with most 5–12 speed cassettes and freewheels
- Handy size for quick cleaning anywhere
- Made of sturdy nylon