mamba motor shaft pinion size?

I'll take a look on truerc, as for selling my 5700, i wouldnt mind,honestly i didnt even consider selling it... just gotta find a place to put it up at. i'm sure ebay would be the way to go, but will try local first and see. thanks for the idea though. so i suppose in the mean time ill just have to have as much fun as i can with what i got :D