Super73 launches Adventure Series and first e-bike for danger babies

All Adventure Series e-bikes (like this RX) have the battery on the down tube for lower center of gravity and improved handling. | Image: Super73 California's Super73 now offers more ruggedized models of its Super73 Z, S, and R series of e-bikes and a new K1D electric balance bike for kids -- and parents stoked at the thought of putting their four- to eight-year-old on a vehicle that can go over 16mph. The so-called Adventure Series of e-bikes brings a refreshed design, suspension, gear box, sea...