On Dec 4, 1:37 pm, Marc <[EMAIL PROTECTED]> wrote:
> Hello
> I've just bought a mid-80s Faggin frame/fork on eBay, built from
> Columbus SLX tubing. It won't be coming with a headset and the seller
> could tell me it has a 45mm stack height but couldn't give me crown
> race diameter. Is this enough information to select a headset or do I
> need to wait to receive the frame/fork to actually measure the crown
> race diameter?
> Sheldon indicates that Italian, ISO, and JIS 1" threaded headsets all
> have the same 22.2mm stem ID on the steerer and the same frame cup OD
> of 30.2mm,
JIS cup ID is 30.0mm, not 30.2mm.
> but the Italian crown race ID can be either 26.5 or 27.0mm,
I've never seen a frame built in Italy since the early 70's that had a
crown race other than 26.4mm. 27mm is the JIS crown dimension.
ISO, Italian and BSC are fully compatible, and fully incompatible with
JIS.
I don't know where Faggin frames were made. So unless you can find
out, you'll need to wait until you see it.
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