RC-WHEEL-SCT-2.2-3.0 short course truck (SCT) wheel, 2.2 in inner / 3 in outer bead, 41 mm wide, 12 mm hex

wheel

Use it

(import "parts/rc/RC-WHEEL-SCT-2.2-3.0.ik" as p)

In a design on ink: ask your agent for it by name, or by what it must be.

Frame of reference

Axle +z; hex seating plane z=0, socket opens -z; rim centre z=offset.