Park Tool GSC-3 Drivetrain Cleaning Brush

Description

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