Finish Line Grunge Brush Chain: Gear and Chain Cleaning Tool

(1708 customer reviews)

$12.99

  • The most used cycling lubrication in the world
  • Made using the highest quality ingredients.
  • Greatly reduces drivetrain and bearing friction
  • Easy to use multi-purpose brush for gears, chain, and other bike components
  • Bristle blocks surround chain for efficient, four-side cleaning
  • Long stiff bristles access difficult to reach components
  • Brush bristle blocks remove for cleaning
  • Helps prevent premature wear of your drivetrain and helps maintain smooth operation

Based on 1708 reviews

5.0 overall
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  1. Rosie

    Boa qualidade e prático

    Rosie

  2. Eduardo

    Un cepillo que debido a su colocación entre sí, limpia a fondo tu cadena, además ya tiene varios meses que lo estoy usando y sigue impecable. Excelente.

    Eduardo

  3. belardi a.

    “Must have” – doskonale czyści łańcuch i kasetę. Wysoka jakość wykonania i wytrzymałość. Dobrze i łatwo się ją czyści. Polecam.

    belardi a.

  4. PlatinumK

    There was a few brushes available but I chose finish line bc I like their products. This brush is heavy duty and bigger than I thought / see images. I’ve used it 1 time on a Chicago winter Salty greasy disgusting chain. Cleans well. Not perfect bc chain cleaning is always a mess. See pics of chain after cleaning and size compared to my foot. Most of the gunk was gone after a few cycles of soap and water.

    PlatinumK

  5. megan wesley carey

    Are you looking for a tool to clean your chain, but you cannot find a quality tool in your budget? Look no further! I introduce to you… the Grunge Brush! Okay I’m done sounding like a commercial. This is just as good as those fancy tools that you see for like $40- $50 (for a quality one, not a cheap Chinese version that will last 2 seconds). It is somewhat difficult to get the chain in, but that tells me how well it’s cleaning my chain! The brush on the end is perfect to clean you’re cassette. Just spray some drivetrain cleaner on the cassette (not brakes unless you want to clean those too) and brush it then rinse with water.

    megan wesley carey

  6. Earl Furman`

    This is by far the best Grunge Brush. It may not be the cheapest in price, but I will definitely pay the difference for the quality of this brush. The 3 sided brush head allows you to deep clean the chain. Other brushes have a big gap in their 3 sided brush head that it doesn’t allow you to fully clean the chain like you should.

    Earl Furman`

  7. Vincent Scaramuzzo

    Really good for cleaning debris out of the chain and spokes,

    Vincent Scaramuzzo

  8. BL

    Pretty cool tool.

    BL

  9. Mr. Ortega

    The side of the grunge brush with the three brushes made for cleaning the chain worked well for me. I have only used it once so far, so I can’t comment on its durability. I sprayed some citrus degreaser all over the chain as well as on the brush, cleaned the chain, wiped with a rag, and repeated once or twice. If you repeat it three or four times (on a really dirty chain) it will become VERY clean. Once or twice should be enough for average griminess.
    The other side of the brush worked alright, but isn’t the easiest to really scrub with. It will get your drivetrain cleaner than it was, but not totally clean.
    I would recommend this product because it’s very easy and quick to use and 95% effective.

    Mr. Ortega

  10. Ahidalgog

    Ottima per la pulizia della mia bike consigliato

    Ahidalgog

  11. ROBERT S.

    Das Tool bekommt man sehr einfach über die Fahrradkette, es sitzt darauf gut eng an, so dass die Bürsten jederzeit die Kette berühren, wenn man die Kette, durch Pedalen drehen, hindurch zieht. So einfach und schnell habe ich die Fahrradkette mit keinem anderen Hilfsmittel bekommen, und ich habe schon vieles ausprobiert. Und die Bürste am anderen Ende (mit den langen Haaren) ist auch sehr praktisch zum reinigen von allen möglichen Teilen am Fahrrad.

    ROBERT S.

  12. Isaiah R.

    Unlike some of the lower cost ones, this one is designed for bicycle chains and does a good job. Some of the others advertise for “bike”, but the brushes are so far apart it looks like they are for motorcycles.

    Isaiah R.

  13. PlatinumK

    I purchased this brush for my bike chains, the bristles are good, sturdy quality that can get in between my gears with no problem. The brush is a good size too so I feel like I’m holding an actual tool. I would definitely by this a second time if needed.

    PlatinumK