We've all seen BMXers leaping about in amazing ways on their purpose-built 20-inch-wheeled bikes, but how would they go on something rather heavier and more ponderous? Pretty damn well if this video of Tyrone Williams on a New York Citibike is anything to go by.

Citi Bike's are New York's equivalent of London's Boris Bikes. Launched in May, it was greeted with general approval ands, this being the US, a lawsuit about property values. Wall Street Journal editorial board member Dorothy Rabinowitz called the programme  'dreadful' and accused Mayor Michael Bloomberg of running a 'totalitarian' city government that was 'begriming' the city's best neighbourhoods, as well as trotting out just about every other anti-bike cliché in history.