Topeak MTX Trunk Bag DXP (Black) (22.6L) (w/ Expandable Panniers)

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Topeak MTX Trunk Bag DXP (Black) (22.6L) (w/ Expandable Panniers)
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Price: $139.95
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The Topeak DXP Trunk Bag provides a flexible carrying solution for whatever gear you need. With expandable pannier pockets, the DXP Trunk Bag can hold up to 22.6 liters or be zipped up for times where less carrying capacity is needed. With Topeak's MTX QuickTrack mounting system, the bag attaches quickly and securely to compatible MTX rear racks.


  • Extra-large capacity trunk bag with divided main compartment, multi-stage expanding top
  • Panels on both sides expand out into panniers
  • Insulating rigid molded EVA foam side panels
  • QuickTrack click 'n go compatible (for use with Topeak MTX racks - see EX Beam, Explorer, Super Tourist racks)
  • 600 denier nylon fabric for rigidity and water repellency
  • Includes carrying handle, shoulder strap, 3M reflective strip, tail light clip, bungees, water bottle holder

Pack Type: Trunk Bag w/ Expandable Panniers
Pack Capacity: 22.6L (Expanded)
Mount: MTX Mount
Waterproof: Water-Resistant
Material: 600D Polyester
Dimensions: 14.1 x 9.8 x 8.5-11.4"
Color: Black
Weight: 1160g

Looking for a trunk bag that is compatible with other racks? Checkout the strap mounted version.

This product was added to our catalog on March 26, 2019

Verified Owner
Wednesday, Aug 25 2021 (10 months ago)
Topeak MTX Trunk Bag DXP (Black) (22.6L) (w/ Expandable Panniers)
Very secure, strong setup, easy on and off. Best I’ve ever had for traveling.
Verified Owner
Wednesday, Jun 15 2022 (2 weeks ago)
Topeak MTX Trunk Bag DXP (Black) (22.6L) (w/ Expandable Panniers)
This bag is great, however the back of the bag is not like the photo on your website. I have the same one I purchased several years ago and it has black interior and a buckle to tighten the rear bottle holder. Still it is a great bag.
Monday, May 23 2022 (5 weeks ago)
Topeak MTX Trunk Bag DXP (Black) (22.6L) (w/ Expandable Panniers)
It finally wore out. I have been using the one I purchased in 2014 for 7 years. Over time, with moisture, salt, sun exposure, and carrying loads that might have been a bit more than expected, it finally ripped out. Sometimes I felt like a pack mule, but this bag never let me down. Purchasing another as a type. A Great Value!!!