A vehicle wheel assembly comprising: a wheel (200; 900; 1100) comprising a generally circular rim, a wall extending radially inwardly from the rim, the wall having an inboard side and an outboard side, and having therethrough a central opening (209; 904), a wheel duct (234; 1106) formed within the wheel (200; 900; 1100), the wheel duct (234; 1106) including a first end and a second end; and a valve (300; 600; 800; 1000; 1200) secured to the outboard side of the wall (206; 906), the valve (300; 600; 800; 1000; 1200) comprising an inboard side and an outboard side, an inlet duct (316; 614; 804; 1202) and an outlet duct (320; 616; 812; 1204), a hub interface (312; 610) adapted to extend from the inboard side of the valve (300; 600; 800; 1000; 1200), wherein the inlet duct (316; 614; 804; 1202) opens on the hub interface (312; 610) and is configured to interface with a hub duct in a wheel hub, wherein the first end of the wheel duct (234; 1106) opens on the outboard side of wall, such that it communicates with the outlet duct (320; 616; 812; 1204), and wherein the outlet duct (320; 616; 812; 1204) is adapted to interface with the first end of the wheel duct (234; 1106) characterized in that the hub interface (312; 610) is adapted to extend around the wall (206; 906) of the wheel (200; 900; 1100), and in that the outlet duct (320; 616; 812; 1204) opens on the inboard side of the valve (300; 600; 800; 1000; 1200). a wheel (200; 900; 1100) comprising a generally circular rim, a wall extending radially inwardly from the rim, the wall having an inboard side and an outboard side, and having therethrough a central opening (209; 904), a wheel duct (234; 1106) formed within the wheel (200; 900; 1100), the wheel duct (234; 1106) including a first end and a second end; and a valve (300; 600; 800; 1000; 1200) secured to the outboard side of the wall (206; 906), the valve (300; 600; 800; 1000; 1200) comprising an inboard side and an outboard side, an inlet duct (316; 614; 804; 1202) and an outlet duct (320; 616; 812; 1204), a hub interface (312; 610) adapted to extend from the inboard side of the valve (300; 600; 800; 1000; 1200), wherein the inlet duct (316; 614; 804; 1202) opens on the hub interface (312; 610) and is configured to interface with a hub duct in a wheel hub, wherein the first end of the wheel duct (234; 1106) opens on the outboard side of wall, such that it communicates with the outlet duct (320; 616; 812; 1204), and wherein the outlet duct (320; 616; 812; 1204) is adapted to interface with the first end of the wheel duct (234; 1106) characterized in that the hub interface (312; 610) is adapted to extend around the wall (206; 906) of the wheel (200; 900; 1100), and in that the outlet duct (320; 616; 812; 1204) opens on the inboard side of the valve (300; 600; 800; 1000; 1200). a generally circular rim, a wall extending radially inwardly from the rim, the wall having an inboard side and an outboard side, and having therethrough a central opening (209; 904), a wheel duct (234; 1106) formed within the wheel (200; 900; 1100), the wheel duct (234; 1106) including a first end and a second end; and a valve (300; 600; 800; 1000; 1200) secured to the outboard side of the wall (206; 906), the valve (300; 600; 800; 1000; 1200) comprising an inboard side and an outboard side, an inlet duct (316; 614; 804; 1202) and an outlet duct (320; 616; 812; 1204), a hub interface (312; 610) adapted to extend from the inboard side of the valve (300; 600; 800; 1000; 1200), wherein the inlet duct (316; 614; 804; 1202) opens on the hub interface (312; 610) and is configured to interface with a hub duct in a wheel hub, wherein the first end of the wheel duct (234; 1106) opens on the outboard side of wall, such that it communicates with the outlet duct (320; 616; 812; 1204), and wherein the outlet duct (320; 616; 812; 1204) is adapted to interface with the first end of the wheel duct (234; 1106) characterized in that the hub interface (312; 610) is adapted to extend around the wall (206; 906) of the wheel (200; 900; 1100), and in that the outlet duct (320; 616; 812; 1204) opens on the inboard side of the valve (300; 600; 800; 1000; 1200).