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Step 5Weld seat stays to seat tube
Now we need to attach a new seat tube. The seat tube will support the seat back, so it needs to be angled correctly. My research and experience shows 30 degrees to be pretty comfortable.
Your offcut piece of seat tube will probably be too short, so we will use 1" conduit. Measure up a piece that will allow for an angled cut at the bottom where the seat tube attaches to the main tube.
weld the new seat tube to the seat stays (that have been bent) and to the main tube at a 30 degree angle. Grind the tube to fit and weld. Try to keep everything centered up and straight.
The rear part of the frame is complete. Yipee!
Your offcut piece of seat tube will probably be too short, so we will use 1" conduit. Measure up a piece that will allow for an angled cut at the bottom where the seat tube attaches to the main tube.
weld the new seat tube to the seat stays (that have been bent) and to the main tube at a 30 degree angle. Grind the tube to fit and weld. Try to keep everything centered up and straight.
The rear part of the frame is complete. Yipee!
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