The height of tubular tires, from the Avocet wheel diameter chart, is equivalent to a "700X25" clincher, which in those days measured (and was designated 20-622 btw) 20mm wide, as are today's 700X20 sized tires.
David Snyder
Auburn, CA usa
> Kenneth Willow asked about this 83 recently:
> http://chicago.craigslist.org/
> I am used to seeing pics of the Molteni orange model with the big blue
> panel decal on the downtube center but not this.
>
> 1.Is this a lower model? Is the frame the same?
>
> 2. If you switch the tubular rims and tires for clinchers will standover
> height be slightly increased or decreased? (I've wondered about this one
> for
> quite some time)
>
>
> Mark Cutrufelli
>
> Laurel,MD