You might want to drop Grant a note: He sells parts, but no axles listed. But as most on here know, he has been building Tears for years, so he might be able to point you in the right direction.
And since it's the weekend, most(with Tears) are probably out enjoying them: the board slows down on the weekends
Disclaimer: I in no way resemble the avatar shown. Furthermore, I in no way have any affiliation to the Trailer Park Boys and more specifically Bubbles!