Finish Line Grunge Brush

Priced: $12.00 - $18.95 Rated:   - 4 stars out of 5 by 6 reviews.
Finish Line Grunge Brush
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Finish Line Grunge Brush - Finish Line makes the Grunge brush so you can get your chain and gearing cleaner faster than ever.


  • Chain and gear cleaning has never been faster or easier!
  • Regular component cleaning prevents premature wear and tear on chain and sprockets, eliminates chain skipping caused by dirt and grunge, and assures smooth operation of drive train and brakes
  • Use the long bristled end to clean other components like sprockets, derailleurs, crankset, brakes and pedals
  • Scrub all four sides of the chain with the compact bristles for thorough cleaning
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Average Price History: Price History
Review RatingNumber of Reviews
Weight:80 grams

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Finish Line

Finish Line Grunge Brush Reviews:

Positive Reviews:

Works Great

This thing works great! Not sure why it didn't work for one reviewer -- it's just a brush. This is a less-expensive and simpler alternative to a full chain washing system. If you're looking for a deep clean, take the chain off and do it right, but if you're just looking for a quick, effective clean this is perfect. Worked well and got my bike spotless.
Diggity at REI on 09/09/2010

I'm Buying a Second One

Great product. Does a quick job for those of us not too compulsive about spotless chains and cassettes. I put my mountain bike on the stand, clip the Grunge Brush on the chain, spin forward, spin backwards, squirt lube, wipe excess off, done. Brush is easy to clean too with household degreaser and hot water.
Strider at REI on 02/02/2009

makes cleaning much easier

I use this dry after a particularly dirty ride or wet when doing a deep cleaning. Yes, it doesn't have a fluid reservoir like some others but then again I take my chain off when I deep clean it. Also works on my motorcycle.
lkpbri at REI on 02/02/2009


Great for a quick clean after each MTB ride on our sandy trails.

Brush, Wipe with Degreaser, Lube, Wipe again, Done.

I use the long bristle brush for the jockey wheels.
McFancy at REI on 06/06/2011

scrub - scrub - scrub away your blues

Clean drive lines last longer, with top of the line components it pays to keep them clean and this tool will help in the cleaning.
corvus at REI on 04/04/2009

Negative Reviews:

Save your money

I was hoping that this would be an inexpensive tool for cleaning when I didn't have time to take the chain off. It didn't work at all. The bristles of the brush are too long and flexible. They didn't get anything off that I couldn't have hosed off.
Rocket Paul at REI on 03/03/2008