RotopaX Rollpax - 1.5 Gal Fuel 2.0in. Mount RPX-1.5G-2INRotopaX is proud to introduce a brand new container for 2020. RollpaX is an ideal solution for carrying extra fuel or water on any roll bar or flat surface. With a 1. 5 Gallon Capacity, RollpaX will give you enough fuel and water to keep the adventure going for that much longer. High grade CNC machined aluminum mounts are available in multiple bar diameter sizes, as well as a flat version that uses our standard backmount hole pattern. This is to be