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.
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60x11 all the way anyone?
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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. |
TA of France used to make a 72-tooth chainring.
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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. |
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. |
High gear is 62-11 on my 'bent. You need a big ratio to spin those little 20" wheels!
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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.
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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. :o |
My RANS vivo has a 61 tooth front, beat you by one. It's a 20-inch recumbent.
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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?) |
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. |
Hmmm... wait... how about 60-9 all the way! (shimanos 9 tooth rear!)
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