ParkTool TOOL Park GSC-3 Drivetrain Clean Brush

• Ideal Product
• Contoured tip for picking grit and dirt out of tight spaces
• Dual-sided brush specifically designed for cleaning hard-to-reach areas of the bicycle drivetrain

This dual-sided brush is specifically designed for cleaning hard-to-reach areas of the bicycle drivetrain The long, stiff bristles of the GSC-3 are narrow enough to reach between the gears of tightly-spaced modern cassettes, while the slim contoured end is capable of picking grit and grime out of tight spaces such as derailleur pulley wheels.