Description: Park Gsc-1c Gearclean? Brush - Park Tool's patented GSC-1C GearClean Brush has a unique design. A large comfortable handle with a curved, toothed end reaches dirt deep between the gears, even on the narrow-spaced 9-speeds. Tough nylon bristles clean the derailleur and chain.
Description: Park Gsc-1c Gearclean? Brush - Park Tool's patented GSC-1C GearClean Brush has a unique design. A large comfortable handle with a curved, toothed end reaches dirt deep between the gears, even on the narrow-spaced 9-speeds. Tough nylon bristles clean the derailleur and chain.