Spec rear tire 40 shore•Front tire compound 37 shore•AKA I-Beam medium compound•Front tire compound 40 shore•STIX rear tire - medium-soft B compound and insert•Rear tire compound 32 shore•Pro-Line Tazer Soft•Pro-Line Ion Medium•Rear tire compound 35 shore modified•AKA Gridiron 2 soft compound•AKA I-Beam medium-soft compound•Proline ION medium compound•Pro-Line Trencher Soft•GT3 rear tire ultra soft•Rear tire C2 compound 32 shore•Rear tire truck - medium hard compound and insert•Rear tire compound 40 shore•Front tire C2 compound 40 shore•STIX front tire - medium-soft B compound and inser•Pro-Line Trencher Medium