The Tire Bag 2, with its rectangular main pocket and two zippered side pockets, is an excellent option for road or mountain bikers who need extra room. - Hook and loop at the seat post, and a 3/4-inch nylon strap provides an extremely stable mounting system - Designed to hold a tubular tire and tools, perfect to carry longer or larger tools - Can be mounted on the frame or under the saddle - Weight: 90 grams - Capacity: 84 cubic inches