Park Tool - GSC-4 Cassette Cleaning Brush
PARK TOOL - GSC-4 CASSETTE CLEANING BRUSH
A sturdy bicycle cleaning brush with a unique angled and contoured shape – perfect for cleaning cassettes and freewheels as well as tires. With a strong ergonomic handle and stiff nylon bristles, the GSC-4 scrubs away the toughest muck and mess.