What are some bike sharing services out there? I know that there have been some in Europe. Here's wikipedia's entry. This is one that I heard of recently in NYC. ...
Is there an (un)official rule about twisting back a seat on broken bike for CitiBike or other shared bike programs?
"don't pick a bike if its seat is twisted around backwards. That's a sign that a previous rider found the bike busted." -(from SamtheBrand's answer to How to choose the right Citi Bike? ) Can ...
They are black and blue, are not light, however what is one? Have you had any experience of using one?