Originally Posted by
Wildwood
My Bianchi with Formula One Columbus tubing sure rides like SL (to me), butt.... who knows each tube?
No destructive testing planned for this sweet thing.
I was not particularly impressed with Tange Champion #2 tubeset on a Centurion I owned many years.
Most of the Formula tubes were "superset", which was a 1/.7/1 downtube like SP with SL .9/.6/.9 top tubes. Stays depended on the model level.
Champion #2 is pretty much the same as SL, so a lighter downtube than SP.