Xlab's Tire Bag is the perfect seat bag for carrying and protecting your spare tubular tire (or 2 tubes), plus your inflator, spare cartridges and more. It's made from tough woven nylon with a large main compartment and a zip pocket. It's easy to attach with the hook-and-loop and buckled straps, and it works with standard and aero seatposts.
Dimensions: 6.5 x 3.6 x 2.3 inches
Weight: 79 grams