The theft of bicycles is one of the major problems that slow the development of urban cycling.

San Francisco is also home to the film producer Macaframa, which produces short films featuring urban fixed-gear cycling.

Screenings encompass diverse aspects of urban cycling and a variety of genres and are tailored to each city.

Recently, with the boom in urban cycling, many non-messengers have been participating in and organizing alleycat races.

The current state of the roads and sidewalks make urban cycling and jogging slightly more risky than in other communities.

This June, in a grim reminder of the perils of urban cycling, three riders were killed in a three-week period.

In fact, Gehl often uses the phrase "copenhagenize" to describe his vision of how urban centres can embrace bicycle culture and urban cycling.

He sees big potential in Europe, where urban cycling is more popular.

Me: "Well, we're more into urban cycling."

At the same time, the charter is a call on the European Union to promote urban cycling.