1) Tapered Lug Nuts or conical seat lug holes indicate a stud centered wheel. Stud centered 8-lug wheels typically found on 7000 or 7200 lb. axles
2) Flat Flanged (typically two piece w/ integral washer) Lug Nuts or Thru-Holes indicate a Hub centered wheel. Hub centered 8-lug wheels typically found on 8000 lb. axles and higher
3) Inset (positive offset) places the centerline of the rim inboard of the mounting surface. Outset (negative offset) places the centerline of the rim outboard of the mounting surface.
17.5" DUAL REAR WHEEL
TRAILER WHEELS
17.5" DRW Trailer
Wheel
Silver Steel with Option 1 Trim
17.5" DRW Trailer
Wheel
Silver Steel with Option 2 Trim
17.5" DRW Trailer Wheel
Silver Steel with Option 2 Trim.