If ultra-minimalist is how you roll, you're going to love the Scicon Soft Roller 350. It's a super small saddle bag that lets you bring the bare essentials for a long day on the road. This is a bag meant to be used with your jersey pockets to help distribute weight to keep your bike fast and light. It's also ideal for racers, since the quick release rail allows the bag to be quickly removed on race day.
Durable Cordura nylon construction stands up to the abuse of long distance riding
Water-resistant zipper helps keep your stuff nice and dry
Clamp attaches to your saddle rails and uses a quick release to attach to the bag, so mounting and removing the bag is a breeze
350cc of storage space gives you enough room for tools, tube, and CO2 system