Electric bikes have yet to make a big impact when it comes to dirt bikes and motocross, but Surron is hoping to change that.

Class 1 bikes require pedal effort to activate the electric motor, with e-assist topping out at 20 mph. Class 2 bikes also provide e-assist up to 20 mph, and they can power the bike using a hand ...

A 40-year-anniversary ... The list of fastest sports bikes is incomplete without the Suzuki Hayabusa. But the saddest part is that Busa's freedom is electronically limited to 186 MPH.