Originally Posted by
ftwelder
I repair aluminum frames all the time. Most commercially available 7005 chain stays are pretty thin and you can see a couple of fairly cold welds on that frame as well. With all due respect to other opinions, repaired frames seem to hold up quite well without a secondary age cycle.
If both the chain stays are cracked in the same place, they are too thin and should be replaced.
frank- does it make sense to completly replace the tubes with new stronger ones?
in my eyes its not a repair then- but an upgrade/replacement