CRISIS AVERTED…
Thinwall seat tube removed, main tubes still in alignment.
Turns out this extra piece of 1-1/8” x 0.059 frame tube fits a 25.4mm seat pin quite nicely!
More cleanup and fitting to go, then tack and weld. Hopefully less chance of blow through with the thicker seat tube.
Thinwall seat tube removed, main tubes still in alignment.
Turns out this extra piece of 1-1/8” x 0.059 frame tube fits a 25.4mm seat pin quite nicely!
More cleanup and fitting to go, then tack and weld. Hopefully less chance of blow through with the thicker seat tube.