The RockNRoller Multi-Cart R9 “Mighty” 8-in-1 Equipment Cart adjusts from 34" to 52" in length across eight different configurations and supports up to 500 lbs or 32 cubic feet of gear, weighing in at only 29.4 lbs. It's ideal for transporting audio, video, photography equipment, facility maintenance supplies, and trade show materials—any situation requiring serious payload capacity with flexibility. The R9 cart features a 13.5" wide frame bed and rear wheels spaced at 20". Foldable side rails rise to 38" and can be raised on one or both ends to help secure equipment. What defines this cart as "all-terrain" are its heavy-duty GroundGlider wheels: 8" x 3" rear wheels and 6" x 2" front casters, both with upgrades, all-new ball bearings for smooth operation. These foam-filled, “no-flat” tires glide over tough terrain like gravel and grass, offering a stable ride with excellent traction. Built from powder-coated, telescoping steel tubes, the R9 folds down to just 9.5" in height for compact storage.