Hello I bought my Mongoose, Slapped the front wheel on it, charged it and went riding on it. Did that for the last couple of months. The other night I was riding along and it stopped working. Pedeled home and upon inspection found that the wires going up to the throttle had gotten loose enough so as to get rubbed by the tire. (See photos). If you own one of these things I would recommend adding a couple of tywraps to that cable run.