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Crank Question

Old 04-13-06 | 01:32 PM
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Crank Question

How tough would it be to use this crank on a track bike (please see attached)? Are Crank Arms hard to find for these? Sorry if this is a dumb question, I am a Newbie.
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Old 04-13-06 | 01:35 PM
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That is a chainring and looks to be for OPC's, not very usable on a track bike
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Old 04-13-06 | 01:41 PM
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https://www.fixedgeargallery.com/2004/g/flanigan.htm

https://www.fixedgeargallery.com/2005...actoryBlog.htm
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Old 04-13-06 | 01:44 PM
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*sigh
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Old 04-13-06 | 01:52 PM
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woah! you have seriously awesome taste in cranks for a newbie. that's seriously one of the sweetest cranks i've ever seen. i promise you will get lots of vagina with that crank.
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Old 04-13-06 | 02:10 PM
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Originally Posted by RYAN INGERSOL
i promise you will get lots of vagina with that crank.
wtf?
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Old 04-13-06 | 02:27 PM
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Originally Posted by shishi
That is a chainring and looks to be for OPC's, not very usable on a track bike
Being a fan of mildly dangerous, jury-rigged cr4p, I'm guessing there's a way you could hook it up. If you found the right bolt circle diameter and the right sort of bolts, nuts and washers, I bet it could be done.
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Old 04-13-06 | 02:37 PM
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You just need bmx cranks. Totally easy to do. I wouldn't go calling it a "track" bike though, as everyone who is making fun of you for calling a chainwheel a crank will get all uppity again, but as the links show this is totally doable. What I can't remember is what the standard BMX chainline is, so you might have annoying chainline issues.
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Old 04-13-06 | 02:40 PM
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This might help:

https://www.sheldonbrown.com/opc.html
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Old 04-13-06 | 02:44 PM
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Originally Posted by Landgolier
You just need bmx cranks. Totally easy to do. I wouldn't go calling it a "track" bike though, as everyone who is making fun of you for calling a chainwheel a crank will get all uppity again, but as the links show this is totally doable. What I can't remember is what the standard BMX chainline is, so you might have annoying chainline issues.
But BMX one-piece cranks require a different (larger) bottom bracket shell than you find on most road/track bikes. Those links are to bikes with a bb shell made for a one-piece crank. I know there's some hardware you can get to convert a one-piece bottom bracket for three-piece use, but is there a way to go the other way?
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Old 04-13-06 | 02:48 PM
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you can get those bulletproof bmx cranks, and not have to mess with the one piece crank. still, chainline...i'm still not totally sure what size BB is needed to keep a 42mm chainline (or close).
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Old 04-13-06 | 02:59 PM
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There a 3 piece bmx cranks. Not real sure how you'd hook it all up, but I think it could be done. Probably more work than a newbie would want to mess with, though.
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Old 04-13-06 | 03:04 PM
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Maybe a track bike from the 1910's..
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Old 04-13-06 | 05:07 PM
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Get a crank/bottom bracket combo like this:

https://www.danscomp.com/cgi-bin/haze...IL&item=451050

Euro (JIS) BB, with a crankset that will fit that chainring. Super-heavy, pretty expensive, and the bearings will wear out pretty quick. But, you will have a pretty sharp looking drivetrain.
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Old 04-13-06 | 05:09 PM
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Please do not put those clunky, black crankarms on that chainring.
Search for a vintage set of crankarms.
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