What degree trucks do you use?

You need to use Caliber 2 trucks 180mm and a cut hanger if you have the snap in pulley

Hey I downhill longboard don’t have the time to charge a bat but you guys hit some speeds that I reach I usually hit 65km on my longboard on hills I do daily but I what to go faster I have 2 50caliber trucks. Front truck is tight back truck is tighter. I what to get different degrees should I spend the big bucks and go for 30 deg back 44 deg front get it over with or can I chince out and just buy one set of 40 or even 30 and a 50 in the front