As a young man, my uncle cycled down the A1 from Doncaster to London on a tandem with a friend who had just one (very over-developed) leg; afterwards he couldn’t walk properly for days. But then ...

Mark likes it if it goes fast or sounds good. ICE, electric... whatever! As long as it moves, he's on board. He gets weak in the knees for a particularly sick bike build, and he believes that Yammie ...