Well, I stated that it was from a rolling start. I found that it occurs in all gears from 2-3 MPH until I reach 10MPH. Turned out to be a problem with the tail light.
I have about 60 miles on this bike and it makes a loud noise/rattling sound. Rad tech person sent me a new controller no joy after installing. Occurs mostly when starting out from rolling start in PAS 3 while lightly applying throttle and stops around 10MPH. Spokes, wheel, fender and bakes are...