ION tank ringBlack. Ducati DesertX (22 ). ION Tank ring The ION tank ring for the Ducati DesertX sits on a bike specific mounting bracket that's attached to the available mounting points on the motorcycle. The ION tank ring, made from fiberglass reinforced polyamide, provides a secure hold for tank bags in the ION series. The ION tank bag is mounted and locked in place with a single click. The quick release fastener is then unlocked using the pull strap. The bike