Jerry & Liz Moos wrote:
>
> I've heard that Windsor used a lot of SP, including on midsize to small frames
> where most builders used SL. Hard to prove this, since the old tubing
> stickers didn't identify which of the two grades was used.
>
> Regards,
>
> Jerry Moos
The Windsor I had was a pretty heavy feeling frame compared to frames I've had that I knew were constructed of SL.
Columbus lists SP butted 0.7/1 tube set at kg.2.375 and SL butted 0.6/0.9 tube set at kg. 2.065.
Chuck Schmidt
South Pasadena, California
http://www.velo-retro.com (list of reprints and Campy Timeline)