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  1. #1
    Senior Member
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    60 tooth Chainring

    In case anyone is modifying a bicycle loose screws bicycle small parts has chainrings up to 60t IN 110 MM BOLT CIRCLE DIAMETER. This is useful if you are try ing to get a higher gear especially on a small wheel bicycle.

  2. #2
    無くなった HereNT's Avatar
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    60x11 all the way anyone?

  3. #3
    slower than you Applehead57's Avatar
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    How useful! After walking my bike up the hill, I could come down really, really fast.
    But really, how many of us can push a 60 tooth gear?
    I think you'd just be compensating for a lack of private part mass.
    "Lack of opportunity does not constitute virtue". Diana Tickle.

  4. #4
    Senior Member zonatandem's Avatar
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    TA of France used to make a 72-tooth chainring.

  5. #5
    Chronic Tai Shan ofofhy's Avatar
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    Quote Originally Posted by HereNT
    60x11 all the way anyone?

    Kicking your ass all the way! Although, I think he has changed his tag line since.
    From Craig's List: IF its a singlespeed that means----all the other parts are broken cut off and dumped...dont buy singlespeeds, the bikes will make your balls fall off

    * no -- it's NOT ok to contact this poster with services or other commercial interests

  6. #6
    Senior Member BlazingPedals's Avatar
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    Quote Originally Posted by Applehead57
    How useful! After walking my bike up the hill, I could come down really, really fast.
    But really, how many of us can push a 60 tooth gear?
    I think you'd just be compensating for a lack of private part mass.
    As the OP wrote, it's useful for small wheels. On a 20" drive wheel, a 60/11 is only 107 gear inches, lower than what's on most road bikes these days. I have a 58T on my bike, with a 26" drive wheel, and consider it just about right.

  7. #7
    'Bent Brian
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    High gear is 62-11 on my 'bent. You need a big ratio to spin those little 20" wheels!

  8. #8
    lowracer ninja master lowracer1's Avatar
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    I've got a 60 tooth ring for a 650c rear wheel 60/11 on a lowracer isn't too uncommon.
    chris@promocycle.net

  9. #9
    Senior Member af895's Avatar
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    Resurrecting an old thread...

    From Sheldons site: "If you have 406 mm (20") wheels, you would need to install a 69 tooth chainring to be equivalent to a 52 tooth with common 622mm wheels."

    FWIW, if you want to make your own chainrings, there's a template available on iHPVA's site that involves only using a drill press.

    Here: http://www.ihpva.org/Builders/Sprocket/

    Sizes up to (heavens-to-Murgatroid) 92-teeth from those templates.

  10. #10
    52-week commuter DCCommuter's Avatar
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    My RANS vivo has a 61 tooth front, beat you by one. It's a 20-inch recumbent.

  11. #11
    Senior Member af895's Avatar
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    I only wish I had a 60T.

    My challenge is finding large steel rings (56T would be nice) to fit a 110-BCD triple or finding a 130/74BCD triple crankset that doesn't use splined bottom-bracket spindles. (no luck yet...used market perhaps?)

  12. #12
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    Why steel rings? Al is superior in every way for large rings.
    You can get custom rings made in the UK in any size/BCD from highpath engineering.

  13. #13
    Meow! my58vw's Avatar
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    Hmmm... wait... how about 60-9 all the way! (shimanos 9 tooth rear!)
    Just your average club rider... :)

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