Paul Grens said "... exact specifications on tube ID/OD and seatpost size for the [Aelle] butted vs. straight gauge tubing...."
I see specs for straight gauge Aelle and Aelle R(inforzati) butted tubing at
http://www.equusbicycle.com/
..........
Peter Brueggeman
La Jolla California USA
4peebee(at)peterbrueggeman.com