Park Tool GearClean Brush (GSC-1) collection_mudguards A technical cycling short wrapped

A technical cycling short wrapped in a casual package

which is equal to 2x11 drivetrains

SRAM (an acronym of the 3 founders names

your new cold-weather riding essential

Park Tool GearClean Brush (GSC-1) collection_mudguards A technical cycling short wrappedAbout Park Tool GearClean Brush (GSC 1) Park Tools GSC 1 GearClean Brush has a unique design. A large comfortable handle with a curved, toothed end reaches dirt deep between the gears, and tough nylon bristles clean the derailleur and chain. Saves wear and tear on your chain and freewheel. Works great on brakes or other places where dirt collects. Features Compatible with most 512 speed cassettes and freewheels Handy size for quick cleaning anywhere