as an electric bike zips by, it might have been the Surron Light Bee X. A hybrid between a downhill ... a removable 60-volt Panasonic lithium-ion battery pack, offering two modes: Eco and Sport.

Stripped of the road-focussed extras found on the Light Bee L1E, the X model is designed to spend ... of spinning past 5500rpm. According to Surron themselves, peak power can be maintained from ...