I received a tricycle frame, can it be repaired?
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I received a tricycle frame, can it be repaired?
I was given this frame by a fellow commuter at work. He had it replaced under warranty and was kind enough to pass it on to me.
It has a crack in the bond between the frame and the tube that connects to the crank/boom tube.
The material is 4130 steel.


Assuming I can find a competent frame builder, is it fixable?
It has a crack in the bond between the frame and the tube that connects to the crank/boom tube.
The material is 4130 steel.


Assuming I can find a competent frame builder, is it fixable?
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I suspect it can be fixed, but if you do build up the bike and ride it I would recommend keeping it clean in that area so you can see if any of the booms have developed cracks. I gather that the cracked part is not shown in the second picture?
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Correct, the crack is at the base of the forward most tube in the second photo. Just wanted to include a better idea of the whole picture.