Park Tool GearClean Brush (GSC-1) collection_mudguards SRAM (an acronym of the

SRAM (an acronym of the 3 founders names

Batteries 1 Lithium Ion battery included (4

And it's lighter than comparable systems too

A technical cycling short wrapped in a casual package

We can guarantee it

Park Tool GearClean Brush (GSC-1) collection_mudguards SRAM (an acronym of theAbout 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