Park Tool  GSC-3 Drivetrain Brush

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Specifically designed for cleaning hard-to-reach areas of the bike drivetrain, the Park Tool GSC-3 Drivetrain brush is dual-sided for getting between gears and into the derailleur pulley wheels.


  • Long, stiff bristles 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


View all Park Tool Bike Cleaning Tools

Technical Specs

Item #201186
Best Use



1.1 ounces

2 reviews with an average rating of 5.0 out of 5 stars

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