The Topeak DXP TrunkBag is our best selling rear bag.
In addition to the expandable top section and rear water bottle holder, the side panels expand to panniers maximizing capacity for longer rides.
While not waterproof, Topeak uses a unique material process is highly weather resistant. A waterproof cover is available for purchase additionally.
Rear water bottle holder lets you carry more water on extended trips without taking up space in the bag.
Available with a MTX Track to fit Topeak brand rear racks or Velcro straps to fit other brands rear racks
Total volume 22 Liters.