Topeak's MTX Trunk DryBag EX is perfect for commuting and running errands year round, in any weather. This dry bag is fabricated from tough, sonically welded and seam-sealed nylon with a roll-top closure making it fully waterproof. And, Topeak's ingenious MTX System makes it a snap to attach it to your Topeak MTX QuickTrack rack (sold separately). Added features include reflective highlights and shoulder strap making easy to carry when it's off your bike.
Compatible with Topeak MTX QuickTrack racks (sold separately)
Capacity: 735 cubic inches
Weight: 930 grams
Dimensions: 15 x 9.4 x 10.2 inches
QuickTrack mounting overview