Felix Salmon sees the "tension, in this film, between relatively serious bike commuters, on the one hand, and slow hobbyists, on the other":

There’s safety in numbers, when it comes to cycling, and a similar phenomenon is likely to happen with regard to pedestrians and car drivers being increasingly conscious of bicyclists in their midst. Already, the First Avenue bike lane has reportedly cut injuries to all street users by 50%. But as the number of cyclists rises, the average speed of cyclists necessarily falls. Everybody thinks of northern European cities like Copenhagen as bicycling paradises and they are. But if you’re biking around Copenhagen, you’re going to go a lot more slowly than if you’re biking the same distance in NYC.

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