I would still say that if the butting of the tubing and connections are designed correctly the alu would be fine for most trick riders (small step-drops and flatland tricks) and as you get better you get smoother so would hopefully conteract progression in size.
I would still say that if the butting of the tubing and connections are designed correctly the alu would be fine for most trick riders (small step-drops and flatland tricks) and as you get better you get smoother so would hopefully conteract progression in size.