Originally Posted by ElJamoquio
I would *not* just epoxy it and call it a day. Aluminum has strengths in the thousands of PSI, depending on alloy, and Epoxy generally has strength in the hundreds of PSI, and that presumes a good bond to the surface of the aluminum.
Exactly the only way that crack can be correctly fixed is by TIG welding it. JB weld will not do anything to restore the strength to a high stress area like that especially in aluminum.
Get it TIG welded or get a new frame.
Jeff