Detailed text transcripts for TV channel - BBCNEWS - 20200712:05:55:00
Some have hub drive motors which track your pedal rotations and power the bike's wheels. today, though, i am using an even smarter crank drive bike. this uses a torque sensor to respond to how hard i press the pedals, so i've got my high—vis, i've got my hat and i have my bike — let's go. wow — i can feel the power. this suddenly feels so light — i can't believe i am going uphill. hitting 15.5 miles per hour — that is the legal speed limit for e—bikes in the uk — was pretty effortless, too. some countries do have higher speed limits for pedal assist bikes, but if you've seen cycl...