Send us a textBicycles are big business. It’s hard to get an exact figure but estimates suggest there are around 2 billion bikes in the world today – and after Covid-19 there might be a few more. People in lockdown have been turning to bikes as a form of exercise and as an alternative to public transport and they’re doing so in such numbers that waiting lists for new bikes run to three months or more. But bicycles weren’t always around and perhaps it’s worth reflecting a lit...