well today i was screaming around the backyard track with my revo will after i went up and over the berm i went to throw it in reverse adn walah all sorts of screaching and howling from the tranny. well it turns out the reverse primary gear is now 100% tooth free and i was wondering anyone else have this problem and any idea wat caused it??i also well looking up the part number realized traxxas only sells one with a steel tooth ring was the reverse gear a problem in the 2.5r??