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Topeak MTX Bike TrunkBag EXP


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Large capacity MTX TrunkBag containing one main divided compartment with two expandable pannier side panels and rear water bottle holder. Topeak's unique construction process provides rigidity and water repellency. Compatible with all MTX QuickTrack™ racks with attached side frames. MTX Dual Side Frames are required when using side panniers on MTX BeamRacks.


  • MTX QuickTrack compatible
  • Features a divided main conpartment constructed by combining rigid panels and water-repelling flexible fabrics
  • Two mesh side expanding panniers for extra capacity
  • Rear water bottle holder allows you to carry additional water for extended trips
  • 3M reflective strip for added visibility 
  • MTX Dual Side Frame required


  • 36 x 25 x 21.5 cm / 14.2” x 9.8” x 8.5” size
  • 16.6 L / 1010 cubic inches capacity
  • 1195 g / 2.63 lb weight