On Fri, 09 Jul 2004 07:13:48 -0700, Mark Hickey <
[email protected]>
wrote:
>Normally the limitation on tire size is the position of the
>brake bridge.
Thanks, I sometimes don't think about the fact that late
roadie calipers have been downsized to the point where they
will barely clear the tires. (I *should* be thinking about
it, I got bit by that recently, but the mind slips.)
> It has to be low enough to allow the current crop of very
> low reach calipers to work, which limits the maximum size
> of tire that will fit. If a custom frame customer is
> willing to use longer calipers I'll raise the brake bridge
> accordingly.
>
>Of course, I'm talking about tire "height", but since
>they're all basically round it's kinda the same.
>
>Some builders don't relieve the front inside of the
>chainstays to allow extra lateral clearance, and that too
>can be a limitation.
This is the problem I've encountered more often; it can
appear even on older frames with a high brake bridge, but
since the OP was inquiring about a new frame, your
observation is probably even more relevant.
>Remember that the issue isn't how large a tire will clear
>the chainstays, but how large a tire will clear the
>chainstays with a broken spoke.
Particularly if the wheels have less than 32 to begin with.
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