Topeak mtx trunk bag dxp with side panniers rack bags
The divided main compartment features a two stage expanding top plus side panels that zip open into full panniers for even more capacity compatible with all mtx quicktrack racks with attached side frames quicktrack slide click and go topeaks quicktrack system makes mounting any quicktrack equipped bag or basket to a topeak rear rack incredibly easy simply line up the composite quicktrack base with the channels on any topeak rear rack and slide forward until it clicks into place no too