Originally Posted by rootar

i knew exactly what had happened, i had called about 3 weeks ago asking if they had any testers or rebuilt ones forsale, but they didnt have any at the time so i shelled out and bought mine from mike, but mine is the new updated version, with bigger bearings, flatspot on shaft, and thicker screwed on endbell, (basically a teckno version but black with holes in the ends.)

im using mine in an Xray 8xb on a 5s 5000 flightpower pack

if i was you id keep it these are awesome 5s and 6s motor from what i understand, but on 4s they arent quite as "explosive"