​Variously called electric bikes, pedelecs and electric-assist bikes, e-bikes combine a fairly conventional bike with a battery and motor that helps out when you're pedalling to make it easier to get up hills, accelerate away from lights and cruise along.

How battery-power is promoting cycling as part of a new active-transport revolution? 
​E-bikes are unquestionably going to become even more popular in the post-coronavirus-lockdown cycling world.

​In a few years, performance e-bikes will be common on tarmac.