Grunge Brush Winter Designed for ultralight backcountry adventures

Designed for ultralight backcountry adventures

Incredibly effective cleaning formula containing Nano Technology that also cares for your bike's delicate finishes

the KNUCKLEDUSTER also features a tapered internal sleeve that you have to tap onto your handlebar for full engagement

with a close-carrying fit and organization to keep you comfortable

Grunge Brush Winter Designed for ultralight backcountry adventuresRegular chain and component cleaning is a chore no more thanks to Finish Line's Grunge Brush. The "horseshoe" end scrubs the chain thoroughly with its compact bristles and the long bristled end provides easy cleaning of sprockets, chainrings, pedals and derailleurs. Plus, the Grunge Brush is portable enough to bring to races and weekend cycling excursions too.