Originally Posted by
Greyryder
According to the guys racing BMX, aluminum gets "flexed out" after a couple of years and has to be replaced.
I guess all frame materials are disposable?

Hah! I used to sponsor some pretty good BMX racers. Their bikes definitely didn't "flex out" in a couple of years. If their frame went through a whole year before cracking at a weld, we considered that a victory.