Spot the deliberate mistake

Spot the deliberate mistake, originally uploaded by spinneyhead.

Or maybe not deliberate. I’ll give no more alter than that there might be trouble if you tried to pedal this bike.

This is a window display in Next in the Arndale. There are a few of these bizarre parodies of bikes in other windows as well, all with the same design flaw. It amuses and bemuses me in equal measure that someone in the organisation thinks this is how bikes work.