Park Tool GSC-1 GearClean Brush
$4.70 MSRP $4.95
Save wear and tear on your chain and freewheel by using the Park Tool GSC-1 GearClean Brush with it's uniquely designed gear brush.
- Perfect for getting gunk out of your cassette or freewheel
- Toothed end loosens grime, and the stiff brush gets rid of it