South African cyclist Aldren Muvhambe.

Photo credit by batega via flickr.

In its early days, Barcelona's Bicing seemed like an unparalleled success.

Image: MSN.com

Image credit: Joe Plommer/The Mule Bar Girls

April may believe we need more girls on bikes, but there is no doubt that gender politics and cycling can be an explosive mix.

Image credit: Torontoist

The photo above comes from an account of a rather extreme case of bike rage documented over at Torontoist. But TreeHugger is no stranger to the animosity between bikes and motorists either.

The basic kayak-carrying trailer costs $669 US. Photo credit Tonys Trailers.

When I wrote about cycling and the homeless recently for EnzymePDX, I happened to find out about Tony and his trailers through a work colleague. A one-time Tour de France participant, Tony Hoar is also a tireless bicycle advocate thinking outside the traditional cycling mindset. Cargo hauling is his passion.

Image credit: The Journey TV

From bike co-ops in LA, to this massive stash of recycled bikes somewhere in the UK, one of the most encouraging things about bike transportation is how egalitarian it is. Almost anyone can learn the art of bike mechanics. And there are plenty of community-based organizations willing to teach you.

Image credit: Purple Harry

From recycling bikes for inner city youth to a truly massive hoard of reclaimed bikes somewhere in England, one of the most endearing things about bicycle-based transportation is the relative ease and economy with which individuals can maintain, and even rebuild, their trusty stead. But sadly, bike maintenance may be a dying art.

Photo credit Kiwi Flickr.

Cars make you fat. That's more or less the message noted researcher John Pucher has tirelessly delivered, making the case for cycling and walking - "active transportation" - as a way for cities to deal with creeping obesity rates and climbing health costs.

images from Wallpaper*

Wallpaper* Magazine has always been a bit over the top, but they did have an eye for beautiful things. However the money-no-object aesthetic can be a turn-off. Thus I am a bit conflicted showing their International Bike.