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09-07.-2004, 10:45 AM
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#1 |
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Guest
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Mix & Match Parts
All -
In my parts bin, I've got several miscellaneous bottom- bracket parts: cups, caged bearings, & spindles. So long as I can get the cups to thread properly onto the the frame, can I just use whichever spindle with whichever pair of cups, & then use whichever pair of bearings? The only thing I foresee being a problem would be the chainline for any given crankset. On another related note, can I use whichever square tapered crank on whichever square tapered spindle? The parts in question are from the early 90's or before. Thanks! Phil |
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09-07.-2004, 12:00 PM
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#2 |
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Guest
Posts: n/a
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Re: Mix & Match Parts
An anonymoust poster wrote:
> In my parts bin, I've got several miscellaneous bottom- > bracket parts: cups, caged bearings, & spindles. > > So long as I can get the cups to thread properly onto the > the frame, can I just use whichever spindle with whichever > pair of cups, & then use whichever pair of bearings? The > only thing I foresee being a problem would be the > chainline for any given crankset. Yes, chainline may or may not be a problem. Also, the bearing ridges on the different spindles may be spaced differently. They tend to be farther apart on French and Italian stuff. This will affect the available thread engagement of the adjustable cup and lockring. However, I strongly advise against the use of caged bearings with fewer than 11 balls. Loose is better. > > On another related note, can I use whichever square > tapered crank on whichever square tapered spindle? Yes, again subject to the caveat that chainline may get funky. You might find this useful: http://sheldonbrown.com/bbsize Some people make a big deal out of the slight thickness/length difference between ISO and JIS spindles, but in my experience this is rarely a serious problem in practice. Sheldon "Shimano BBs With Campagnolo And TA Cranks" Brown Newtonville, Massachusetts +-------------------------------------------- + | Opinions founded on prejudice are always | sustained with | the greatest violence. | --Hebrew Proverb | +--------------------------------------------+ Harris Cyclery, West Newton, Massachusetts Phone 617-244-9772 FAX 617-244-1041 http://harriscyclery.com Hard-to-find parts shipped Worldwide http://captainbike.com http://sheldonbrown.com |
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