Ive never seen a stock rage post over than 75 mph GPS. I sent my Spinellis, L & R hand, out to BBlades before winter and had my first test run today with props. 75 was no prob and ended up reading 77 constant and even 78 with gps.
Hats off to the best,, BBlades!!

Very nice! I have been debating a prop change, will have to contact them when the time comes!