Topeak trunk bag dxp with velcrowhen you decide to take the road less travelled and go on an adventure this topeak trunk bag dxp with velcro is your ally made from a unique material this is topeaks largest stiffest and most weather resistant offering featuring an expandable top section because you always need a little more space and rear water bottle holder the side panels expand to full panniers to maximise capacity this trunk bag dxp with velcro is compatible with all mtx quicktrac