Formerly the red rhinoceros-like beast Starbeast GingaRhinos (星獣ギガライノス, Seijū GingaRainosu), but now is a red-armored robot whose body can break into the five GigaWheels (ギガホイール, GigaHoīru), only to reform as one again through its "Beast-Land Fusion" (獣陸合体, Jūriku Gattai). It uses its powerful Gigantis Buster (ギガンティスバスター, Gigantisu Basutā) cannon in battle. Combines with Steel Starbeast GigaPhoenix for an energy cyclone attack. It is destroyed along with GigaPhoenix after fighting Demon Beast Daitanix II.
GigaWheel 1GigaWheel 1: GigaWheel 1 forms GigaRhinos' head and back and the "clip" of the Gigantis Buster. Stored between the "feet" of Giant Steel Starbeast GigaBitus' Scramble Mode.
GigaWheel 2GigaWheel 2: GigaWheel 2 forms GigaRhinos' upper torso and the "generator" of the Gigantis Buster. Stored in the left "foot" of GigaBitus's Scramble Mode, to GigaWheel 3's left.
GigaWheel 3GigaWheel 3: GigaWheel 3 forms GigaRhinos' waist and the "frame" of the Gigantis Buster. Stored in the left "foot" of GigaBitus' Scramble Mode, to GigaWheel 2's right and GigaWheel 4's left.
GigaWheel 4GigaWheel 4: GigaWheel 4 forms GigaRhinos' arms and the muzzles of the Gigantis Buster. Stored in the left "foot" of GigaBitus' Scramble Mode, to GigaWheel 3's right.
GigaWheel 5GigaWheel 5: GigaWheel 5 forms GigaRhinos' helmet and legs and the "barrel" of the Gigantis Buster. Stored in the right "foot" of GigaBitus' Scramble Mode.