The 2018 Raptor is smaller and lighter at 59 grams and it kind of needs its plastic caps on which are white and would cover up the Mongu engraving. Also this Duncan design has no axle hole, so it was also rather difficult to get the caps off once installed without damaging them or the anodizing.
Diameter: 52.82 mm / 2.08 inches
Width: 40.28 mm / 1.58 inches
Gap Width: 4.00 mm / 0.16 inches
Weight: 58.6 grams