Topeak MTX Trunkbag DX (Black) (12.3L)

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Designed to pair seamlessly with a rear rack system, the Topeak  MTX TrunkBag DX features an insulated main compartment and a multi-expanding top for more cargo capacity on the go.


  • Insulated main compartment with molded EVA foam sides, top and bottom
  • Multi-expanding top compartment
  • MTX bags fit MTX racks only
  • Multi-Expanding Top
  • Large capacity main compartment and 2 mesh side pockets
  • 3M reflective trim
  • Elastic top bungees
  • Includes shoulder strap and carrying handle

Pack Type: Trunk Bag (Rack Top Bag)
Pack Capacity: 12.3L
Mount: MTX QuickTrack
Waterproof: Water-Resistant
Material: 600D Polyester
Dimensions: 14.2 x 9.8 x 8.5-11.4" (Expanding)
Color: Black
Weight: 985g

This product was added to our catalog on December 30, 2019

William Meidenbauer
Verified Owner
Friday, Jul 14 2023 (10 months ago)
Topeak MTX Trunkbag DX (Black) (12.3L)
absolutely awesome bag. Simple installation onto the rack. provides enough room to haul some cargo, lunch, etc. Heavy fabric is resistant to snags, pulls etc.