This is the Integy Type E Wheel and Tire Set for the HPI Baja 5B and 5B2.0, (4).
Type E all terrain rubber tires mounted to wheels
Six spoke composite black plastic wheels
For the HPI Baja 5B and 5B2.0
Two Integy Front Tires and Wheels and Two Rear Tires and Wheels, (4).
Front Tire Width: 2.4" (60mm)
Rear Tire Width: 3.1" (80mm)
Outer Diameter of both: 6.7" (170mm)