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Item # PAR0153

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Item # PAR0153

Keep your gears clean.

Get into the nooks and crannies of your drivetrain with Park Tool’s GSC-1C GearClean Brush. The curved, toothed end fits in between cassette cogs to free impacted grit, while the stiff bristles break up stubborn dirt.

Tech Specs

Volume:
1sp to 30spd
Recommended Use:
Toothbrush

Reviews & Community

REVIEWS

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Great for tough to reach spots

  • Familiarity: I've put it through the wringer

Excellent and pulling out the grime in between cogs on your cassette or if you run mulitple chain rings up front.

Must have tool!

    This brush is great for cleaning chains and cassettes! I never realized how dirty they were and these bristles get it very clean. It definitely ups the bar for post-ride bike cleaning sessions.

    Scrub a dub

    • Familiarity: I've used it several times

    Nice stiff bristles for getting the grime off the chain and cassette. Not great for trying to get into very tiny spots because, like I said, stiff bristles. Works great for its intended use though.

    My second one!

    • Familiarity: I've put it through the wringer

    I bought this brush to replace the one I wore out. Perfect for cleaning the cogs. I use Dumonde Tech lube on the chain, which can be messy. Pedro's Bio degreaser along with the Park chain cleaner and this brush makes for a quick and thorough cleaning of the drivetrain.

    Perfect

    • Familiarity: I've used it several times

    Pretty stoked on such a simple piece. I've historically been someone who doesn't keep my bike super clean. But having this brush makes scrubbing down my cassette after every few rides a quick and easy ritual.

    Greasy Grimy Gopher Guts

      A clean drivetrain shifts better. Clean all those little ramps on your cassette that your chain rides as it moves across the gears. You'll thank yourself on your next variable climb.

      Greasy Grimy Gopher Guts

      Get that cassette CLEAN CLEAN CLEAN

      • Familiarity: I've used it several times

      The bristles are just the right length and stiffness to get the job done. Very well built. Can't see this breaking anytime soon

      Park tool brush

        These brushes are fantastic, and any bike cleaning bucket should ALWAYS have one of these in it. The bristles are long enough to get to all the gaps in the cassette, and it will get into all the little nooks and crannies you can imagine. It also has the plastic shape at the other end that can be used to get hardened grease or mud or grit out of the cassette and other components/parts.

        Super convenient

          I use this small and light tool to clean out mud and grass from my cassette easily. Super convenient. Way better than picking at your cassette with a stick.