GSC-1 Sprocket Brush - Park Tool

The Park Tool GSC-1 Sprocket Cleaning Brush has a serrated end that can easily clean dirt deep between the gears, while the long, durable bristles help clean the derailleur and chain. Also works on brakes and anywhere else dirt can accumulate. You can use it whenever your bike needs maintenance.

• Convenient size for quick cleaning
• Made of sturdy nylon