Freewheel/Freewheel 120mm rear hub?
06-19-08, 03:00 PM
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Nymphomaniactionhero
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Freewheel/Freewheel 120mm rear hub?
My buddy is building a single speed bike for his wife on a track frame and wanted to run 2 freewheels (probably a 16 and an 18). I assume that if you can run a fixed cog on the freewheel side of a flip-flop hub (in suicide fashion), you could run a freewheel on the fixed side with only 3/4 of the freewheel threaded?
He says he got some Weinmann wheelset w/ Formula hubs that the seller said it could be fixed/fixed or FW/FW... Am I missing something here or is it just a fixed/fixed hub that freewheels can thread onto?
He says he got some Weinmann wheelset w/ Formula hubs that the seller said it could be fixed/fixed or FW/FW... Am I missing something here or is it just a fixed/fixed hub that freewheels can thread onto?
06-19-08, 04:01 PM
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It's probably fix/fix. I run this setup (fix/fix with a freewheel) on two of my bikes with no problems.
06-19-08, 04:04 PM
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a freewheel fits on a fix thread it just has less threads engaged. unless your friend's wife is going to punish the bike to hell and back it will be fine.
06-19-08, 10:15 PM
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tis what I figured... I'll pass him the info on the White Industries FW. How do each positions affect the chainline? are both of them off 1/2 way each or is one straight and the other off?
Last edited by RichPugh; 06-19-08 at 10:18 PM.
06-19-08, 10:32 PM
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MIN took the words out of my mouth. Neither is in the middle, so both are about a cog's with off from the center of the FW,.... which in some cases helps matters.
06-20-08, 04:31 AM
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If you can find a dual-FW hub, it would still be spaced at 120mm. The hub itself might be not as wide, but it will work.
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06-20-08, 07:12 AM
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Even if she does punish it to hell and back it should be fine. There is no way a freewheel can put more stress on a hub than a fixed cog of the same size. Same # of threads engaged = just as secure.
06-20-08, 11:44 AM
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in reality, a non issue.
/pedant
