Wheel hub with air passage for tire inflation system

A wheel hub (10) extends from an outboard end to an inboard end and has an outer peripheral surface (18) and an inner peripheral surface (20) spaced radially inward of the outer peripheral surface. A first air passage (24) extends from the outboard end (14) toward the inboard end (16). A second air passage (26)extends from the inner peripheral surface (20) to intersect the first air passage (24). The second air passage (26) comprises a removed portion (30) that extends circumferentially beyond a cross-section of the first air passage (24) at the intersection.