Park GSC-3 Gear & Cassette Cleaning Brush

Here's a 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 cassettes. Slim contoured end is capable of picking grit and grime out of tight spaces such as derailleur pulley wheels. Your bike deserves this brush. Get to it.