Originally Posted by
ShannonM
Sorry, I was unclear.
All Raleigh Technium frames had steel rear triangles and head tubes. Most of them had aluminum main tubes, but I'm pretty sure there was a titanium version with a 753 rear triangle, and a bonded all-753 one as well.
--Shannon
Hi Shannon, I noticed this while noodling with the derailleur. The lower third of the rear triangle appears to be aluminum.