Orbea Gain D40 Problem rear wheel spokes the bike is just under a year old, Orbea had replaced the wheel via Velorution dealer but 5 weeks since and the still have the bike, all they had to do was swap out the motor from the old wheel casing to the new . I am taking my bike back and my wheel and attempting the job myself. at the moment I am not certain if the cover is screwed on or pushed on. no videos out there on the x35 motor. Help please