Add a little extra cargo space to your bike with Avenir's SoftSide City Handelbar QR Bag. It's made from tough 600-denier ripstop nylon and features a large main compartment with a smaller outer pocket to keep you organized. The shoulder strap makes it go from bike to office easily as does the easy-off quick-release mount. Plus, you've got reflective accents and a front light tab.
Capacity: 261 cubic inches
Fits 22mm-31.8mm handlebars.