Don't overstuff your jersey pockets. Lighten your load by putting your essentials in Topeak's Aero Wedge Pack. It straps neatly beneath your seat and is constructed of durable 1200-denier, Teflon-coated polyester with reflective strips and a taillight mount for nighttime safety.
Capacity: 90-120 cubic inches
Dimensions: 9.1 x 5.1 x 5.5 inches