The player's Adamantium Body Digi-Beetle is given a different model based on its TIRES part, or lack of such.

503TNKC - Gravi TIRES
506TNKF - no TIRES installed
509TNKI - Ring TIRES
511TNKK - Chain TIRES
513TNKM - Plate TIRES
516TNKP - Aero TIRES