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Trust your gut
we’ve preached fueling with real food
a more extreme cut at the front for race-bike positions
in any conditions
PARK TOOL GSC-1 GearClean Brush Blacksmith Trust your gutThe GSC 1 is specially designed to free your bicycle drivetrain from muck and grime. The comfortable handle features tough bristles clean the derailleur and cassette, and a contoured toothed end to reach dirt deep between the gears. Saves wear and tear on your chain and cassette. Also works great on derailleur pulleys, brakes, or other places where dirt collects.
US$ 184.50
US$ 89.99
US$ 99.99
