I've got 3 kids and we didn't use training wheels either.  I'd always said that training wheels were for the adults...they allow the adult to sit in their lawn chair while the kid pedals away (learning bad habits).  If there are no training wheels then the parent has to be DIRECTLY involved every time the kid wants to 'ride their bike'.  And truthfully, that can be a PIA being hunched over holding onto the back of the seat while shuffling down the driveway/street.  BUT....the kid will learn to r