I have a Giant MY19 XTC E+ Pro with MY19 Syncdrive Pro motor. The bike is derestricted and It's equipped with 27.5' Maxxis Aspen tires and DT Swiss EX 1501 wheel sets. But the top speed is only at 43 km/h.
I can hardly go faster like the motor's 120 rpm is at its max. And a 240W 80 N.m motor...