Park tool bike cleaning 4 brush set bcb42 a clean bike is a happy bike the bcb 42 is four piece brush set designed specifically to clean bicycles ergonomically designed and featuring dual density sure grip handles the bcb 42 bike cleaning brush set includes features 1 gsc 1 gear clean brush 1 tapered detail brush 1 frame cleaning spongebristle brush 1 soft bristle soaping brush buypark toolsfrom chain reaction cycles the worlds largest online bike store