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  1. #1
    mtbr member
    Reputation: onegeargood's Avatar
    Join Date
    Dec 2005

    Anyone running smaller gears for clearance?

    A lot of bmx riders are running smaller gears so they can grind stuff and have more clearance. It makes sense on the trail too.

  2. #2
    mtbr member
    Reputation: boomn's Avatar
    Join Date
    Jul 2007
    It makes sense if you need it, but I've never needed that much more clearance. The big downside is how much faster your ring, cog and chain will wear out

  3. #3
    Out spokin'
    Reputation: Sparticus's Avatar
    Join Date
    Dec 1999
    Not into it personally. Shorter radii of smaller rings and cogs increases drivetrain friction. Fewer teeth carrying the same load means they wear out faster. I run as large a ring as I'm comfortable with, in the case of my 29er that's a 36t ring plus a 24t cog.

    But then I don't grind. Log-overs and occasional rock crawling is as bad as it gets for me.

    Plus I imagine my rides are quite a few miles longer than the average BMXers'.


    We don't quit riding because we get old.
    We get old because we quit riding.

  4. #4
    Sweep the leg!
    Reputation: Caffeine Powered's Avatar
    Join Date
    Mar 2005
    Smaller chainrings? Nope, I'm running bigger wheels.
    Authorities speculate that speed may have been a factor. They are also holding gravity and inertia for questioning.

  5. #5
    Reputation: ionsmuse's Avatar
    Join Date
    Jul 2005
    More teeth are better. Use a bashring if necessary.

  6. #6
    bike rider
    Reputation: mattkock's Avatar
    Join Date
    Mar 2009
    I run a Syncros 24tooth chainring up front on Sweetwing cranks and a 12tooth Chris King cog out back not for clearence issues but because it looks Awesome and it's SICK LIGHT!
    My Bikes Kick Ass!!!

  7. #7
    mtbr member
    Join Date
    Mar 2007
    Make sure you run a quality chain. The microdrivetrains in BMX lead to a lot of snapped chains.

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