Topeak's MTX TrunkBag DX boasts an expandable main compartment to carry all the gear you need. It's built to last with rigid molded panels mated to 600-denier nylon. And, it's packed with handy features, such as a shoulder strap, carrying handle, taillight clip and top elastic straps. There are even reflective strips for safety. Plus, Topeak's ingenious MTX System makes it a snap to attach it to your Topeak MTX QuickTrack rack (sold separately).
Compatible with Topeak MTX QuickTrack racks (sold separately)
Capacity: 750 cubic inches
Dimensions: 14.1 x 9.8 x 8.5-11.4 inches
Weight: 1020 grams
QuickTrack mounting overview