It's hard to disguise the fact that urban cycling backpacks and bags have become a bit of a fixture of riding in town. With two wheeled culture increasingly reflected in street maps as well as shop windows, exploring the city by bike has never been more popular. So, whether you've got a long standing picnic commitment, an awkward errand out eastward, or simply the desire to take some stuff along for the ride, a robust bag for city cycling is going to be top of your hit list for those long summer