Park Tool GSC-1 GearClean Brush Groupe The weight of the ahtlete

The weight of the ahtlete directly rests on the home trainer

Shimano Bl-R780 Brake Lever Set Road Flat Bar Silver

15 mm wrench — compatible with most bicycle wrenches with pedal flats

Thanks to its base and barrel made of steel

Provides smooth and quiet gear shifting

Park Tool GSC-1 GearClean Brush Groupe The weight of the ahtleteThe 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. Mfr Claimed Weight TBC