the top and down tube are stock tubes. plain guage 6m lengths. Stays, bb, seat tube and head tube were from c-ways and the drop outs and gussets were lazerd from sheet. All 4130
"c-ways"? What's that?
Took me a while to find it but I think it's this place.
Some really interesting stuff on that website.
Was there any need to heat treat the frame after welding?