Fred Rafael Rednor wrote:
> > Does the 7mm correlate to an SAE size?
> Actually... no!
> Amazingly, there isn't really _that_ great a size difference
> between 1/4 inch and 7mm, yet we see this diversity. This
> should amuse you:
> I just went down to the dungeon and examined a bunch of old
> stems (but new enough to use hex keys for the binder bolt) and
> here are some examples of what I found:
> My oldest Cinelli stem - 7mm
> TTT Gran Prix - 7mm
> TTT Record - 7mm
> Pivo - 7mm for both quill and handlebar binder
> Balleri, "sample #1" - 7mm for quill and 5mm (!)
> for the handlebar binder
> Balleri, "sample #2" - 6mm
> Everything else, be they French, Italian or Japanese, uses 6mm.
> That includes stems from CTA, Cinelli, TTT, Nitto, SR and a
> few unmarked pieces.
Just to confuse things more: I have an "SR Royal" that uses 5mm for both the expansion bolt and the bar clamp.
--
John (john@os2.dhs.org)
Appleton WI USA