Grunge Brush Winter the KNUCKLEDUSTER also features a

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

CFC's or solvents and is fully biodegradable

Give credit where credit's due

and gives you the comfort you need to enjoy the backcountry spot you worked so hard to get to

Grunge Brush Winter the KNUCKLEDUSTER also features aRegular 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.