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New wheels, but which?

Old 06-18-07, 09:59 AM
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smendoza
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New wheels, but which?

HI there, I am new to this forum and a laymen when it comes to bikes so here goes. I have a Cannondale black lightning frame and need to throw some wheels on it. From a local bike shop i was told I need "freewheel rims in the old road bike spacing." What does this mean when it comes to choosing my new wheels. I'd like to buy online to save some cash but don't know what I'm looking for. From what I have learned, there is a difference from the new and old in the axle construction and possibly width, is that true?

Thanks for your help
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Old 06-18-07, 10:49 AM
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You don't need a "freewheel rim", you can use a modern cassette hub (the hub is the deciding factor here, not the rim ).

If it came with a freewheel but isn't pre-1980 or so, I expect your frame is spaced for a 126 mm OLD (over locknut dimension), i.e. the width of the hub measured from the outside of the locknuts which is the same as the spacing between the inner faces of the frame's rear dropouts. Hubs of this width are also called 6/7-speed hubs and are still readily available but obsolete.

Modern road bikes use hubs of 130 mm OLD which are also called 8/9/10-speed hubs and depending on when your bike was made, it may have this spacing or at least accept a hub of this width.

I think I'd try to find a more sophisticated bike shop.
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Old 06-18-07, 08:36 PM
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Your bike is Aluminum so I wouldn't try and change the spacing. Steel can be cold set and the change is easy. Good luck.
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Old 06-18-07, 08:47 PM
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Originally Posted by Deanster04
Your bike is Aluminum so I wouldn't try and change the spacing. Steel can be cold set and the change is easy. Good luck.

Assuming the frame has dropout spacing of 126mm, it can likely be flexed apart by hand to install a 130mm hub; no need to permanently bend anything. This would be the only way to do it with aluminum, though. As you say, cold setting (permanent bending) is for steel-
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Old 06-19-07, 06:17 AM
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130 in 126 is definitely no problem.
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Old 06-19-07, 07:40 AM
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Originally Posted by tellyho
130 in 126 is definitely no problem.
Or simply get a 126 mm wheel. They are still easy to find and 7-speed cassettes are also easy to get.
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