Park Tool - GSC-3 Drivetrain Cleaning Brush Stock Item:Park Tool Drivetrain Cleaning Brush Approx 100 grams with 4

Approx 100 grams with 4 x zipties supplied

Model number 100090

The best tasting energy bar you will unwrap

central plane

Replaceable parts including push pin tip and stainless steel blade

Park Tool - GSC-3 Drivetrain Cleaning Brush Stock Item:Park Tool Drivetrain Cleaning Brush Approx 100 grams with 4PARK 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.