How to determine
Hub-piloted Mounting System
-Wheel Centers on Hub-Pilots-
1. Hub-piloted wheels use 2-piece flange nuts.
2. Non-Chamfered (non-beveled) bolt holes identify a hub-piloted wheel.
Stud-piloted Mounting System
-Wheel Centers on Studs-
1. Stud-piloted wheels use nuts with ball seat.
2. Inner cap nuts are used to locate inner dual in dual wheel assembly.
3. Chamfered (beveled) bolt holes identify a stud-piloted wheel.