there has been a few people buy the sonix cnc head and like
ive seen others say its to tight

i was going to get that sonix for mine as well
but after haveing the e-flite brand cnc head and crashing, it just was to exspencive to replace the parts, so for now im back on stock

maybe if i can fly more than 5 flight`s without crashing i`ll get the sonix head