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Old 01-29-07, 12:50 PM   #1
Gotte
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7 speed MTB wheel on 5 speed?

Will it go?
I don;t mind a bit of bending.
I've got an old carbon frame which is proving extremely ammenable to being converted to a collapsible tourer. I've cut it and can fix it back together in an ad-hock, DIY way (though it's based on a sound design).
All I'd like is to replace the old steel 5speed wheels with alloy 7 speed MTB wheels (mainly for weight - airlines and all that, but also for the added gearing).
Anyone know if it will fit?
Also, how about mounting a modern deurallier on it (it has no mount) I seem to remember you could get adaptors (though this was a while back).
If it doesn;t work, then I suspect I'm looking at an SA (which I like, but which could be a bit hard going in the Black forest (my intended next tour).
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Old 01-29-07, 12:58 PM   #2
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Carbon? You've got a bike old enough to have a 5 speed freewheel on it and it's carbon? Do you mean something like hi-tensile (hi-carbon) steel?

A 7 speed mtb hub is most likely to be spaced 135mm. An old five speed would probably be, at best, 126mm. But you don't say what kind of bike it is or what size wheels it took so I can't say what your options are.
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Old 01-29-07, 05:39 PM   #3
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Sorry I meant to put carbon steel, but forgot the steel.
It's an old Sun, roughly a 54". Cheap end, but surprisingly light compared with my 58" 531 tourer. I suspect that's because there's less of it.
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Old 01-29-07, 06:52 PM   #4
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this is what you need for the derailleur
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Old 01-30-07, 12:52 PM   #5
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Thanks, yes, that's just the thing.
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Old 01-30-07, 01:14 PM   #6
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I can probably set you up with a hanger if your LBS doesn't have one.
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