19" Diameter Reverse Lip / Rolled Flange Outer Halves:
Assembly Hole Pattern / Hole Sizing for M8 Bolts: 40 XØ8.5mm Equally Spaced.
1 Hole Slotted For Thru Center Valve.
Rim I.D. @ Bolt Flange: 18.675" / Bore: 16.915" / Bolt Circle: 17.580"
Bolt Flange Thickness: 0.180" +0.010/-0"