Bike-share bikes are unwieldy things. Clocking in at around 23 kilograms, the typical Bixi-made cycle is designed to be slow and sturdy. It's pretty tricky to navigate the clunky, three-gear contraption up a substantial hill. How about one of the most famously tough mountains in Europe? Earlier this fall, Matthew Winstone, Ian Laurie, and Robert Holden attempted to bring a London Boris Bike to the top of the notorious Mont Ventoux, the most challenging ride of the Tour de France (yes, France), then return it before their 24-hour rental period expired.