RJM 36" 7c rims
From Halopedia, the Halo wiki
RJM 36" 7c rims are the rims featured on the standard model of the 2553 Hog.[1][2] These replace the RTPCS rims that are equipped on the factory equipped model of the 2553 Hog.[3]
Trivia
These rims have the Seventh Column on them, a symbol commonly associated with Bungie and the Bungie community. The 7c part of the name can also be seen as an abbreviation of Seventh Column.