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Keep that drivetrain running like a dream by clearing out gunk and grime build up with the Park Tool GSC-1C Gear Clean Brush. Renowned by shop techs the world over as one of the best derailleur and gear cleaning weapons in the game, the Park Tool GSC-1C Gear Clean Brush is something that you ought to have in your arsenal.
10-Speed Compatible
Sturdy Nylon Construction
Handy Size – For quick cleaning anywhere.
Tough Nylon Bristles – For cleaning the derailleur and chain.