Park Tool - GSC-3 Drivetrain Cleaning Brush Stock Item:Park Tool Drivetrain Cleaning Brush The tread is made with

The tread is made with our Race Formulation powered by Graphene + Silica

USB type: USB-C

Bead Shield

Meeting the highest demands in terms of performance and aesthetics: Bosch PowerTubes have the power to drive any ride and thanks to their compact size and minimalist design

Park Tool - GSC-3 Drivetrain Cleaning Brush Stock Item:Park Tool Drivetrain Cleaning Brush The tread is made withPARK TOOL GSC 3 DRIVETRAIN CLEANING BRUSH 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.