The surge in the popularity of e-bikes shows no signs of letting up, with leaps in technology both improving the experience and bringing costs down to more affordable levels. We have more than 100 e-bikes in stock right now, with discounts of up to 20% in our winter sale, so we thought we’d pick out four of the best e-MTBs this week and tell you what’s great about them. Firstly, some basics… What is an…