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Home » Finish Line Grunge Brush – Cleaning chain & cassette

Finish Line Grunge Brush – Cleaning chain & cassette

remo.knops · 16/08/2021 · Leave a Comment

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The Finish Line Grunge Brush is an clever designed brush that helps you keeping your chainrings, chain and other drive train parts clean. While I do have a collection of Morgan Blue brushes the Finish Line Brush is an excellent addition.

In this article I will have a look at the clever design and share my practical experiences with the Grunge Brush.

Finish Line Grunge Brush 7506
TABLE OF CONTENTS hide
Finish Line Grunge Brush
Finish Line Grunge Brush ends
U-shaped set of 3 short hair brushes
Long hair single brush
Concluding thoughts and wrap-up

Finish Line Grunge Brush

“Chain and gear cleaning has never been faster or 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.”

The Finish Line Grunge Brush is uniquely designed with specific brushes for specific purposes on each side. In the paragraphs below I will have a more detailed look at each of the Grunge Brush ends.

Finish Line Grunge Brush 7510

Finish Line Grunge Brush ends

The Finish Line Brush has the text “The Grunge Brush” cutout in the hand-grip of the brush, which has a H-shaped form and isn’t particularly ergonomic. However this shape is more or less required to facilitate the hooks for the brushes (short and long hair) that can be replaced on both ends.

U-shaped set of 3 short hair brushes

In the picture above you see the U-shaped set of 3 short-hair brushes of the one end of the Brush. It is the ideal shape to push slide over your chain and give your cranks set a spin to clean. Also I have a Muc-Off X-3 Dirty Chain Machine and Muc-Off Bio Drivetrain Cleaner I’m not using the chain machine each time I clean my bike.

The Finish Line Grunge Brush on the other hand is the perfect brush to clean your chain in each cleaning session. I spray some Muc-Off Bio Drivetrain Cleaner or Morgan Blue Drivetrain Cleaner onto the chain and the Grunge Brush takes care of removing unwanted dirt. 🙂

Finish Line Grunge Brush 7511

Long hair single brush

The long single brush on the other end of the Finish Line Grunge Brush is perfect for cleaning your cassette (even when installed on your rear wheel). But I also use it to clean the inner chainring on my crankset, by simply spraying some drive train cleaner on the brush-tip, put the Grunge Brush against the chain ring and give your cranks a spin.

However it is a multi purpose brush-end that can be used for many cleaning activities.

Finish Line Grunge Brush 7509

Concluding thoughts and wrap-up

The Finish Line Grunge Brush is a must-have cleaning accessory for your bike. The price point is around € 11,– while a brush replacement kit will cost you about € 6,–.

The only comment that I could make is that ergonomics of the handgrip could have been better, however the brush is perfectly functional and it is not an accessory that you will use hours in one go. A new version has indeed improved ergonomics.

The Finish Line Grunge Brush is well designed, robust and the brush replacement kit makes it a long-term investment. Interested in other reviews, than please check out the maintenance or tools section.

What brushes are you using to keep your chain and cassette nice and tidy ?

Remo Knops WordPress Signature

Please note that the article: “Finish Line Grunge Brush review” was originally published on www.remo-knops.com on 14-08-2017.
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