Here it is, the infamous Vivax, of motor doping fame. Built up for a Davidson bicycles customer. And in this edit Bill Davidson, the builder, insists on proving to me that there’s no way motor doping exists in the pro ranks. The reasons: it’s loud, the large battery, and limited range.
After the Vivax-equipped bike gets delivered to a customer, Mark V will share the rest of the story about it and the motor.
We're riding townies, adventure, and mountain bikes. Find recommendations on our store page. As Amazon Associates we earn from qualifying purchases.