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Now with an improved ergonomic desgn, the Grunge Brush by Finish Line makes cleaning with chain and gear that much faster and easier. Scrub the chain with the horseshoe shaped bristles at one end of the Grunge Brush to clean all four sides of the chain. Use the long bristles on the other end of the brush to clean components like sprockets, derailleurs, cranksets, brakes and pedals. It will leave your drivetrain looking like new!
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