Front Grey Hub, 6061 Alloy CNC'd body, Axle (10 x 135 Solid Axle with QR)(12 x 150mm hub comes with solid axle nutted), Disc compatible, Sealed Bearings, 3 Pawl system with 22 engagement points, Flange Diameter: 58mm, 135mm Hub Center to Flange Right: 20.6mm, Left: 34.6mm, 150mm Hub Center to Flange Right: 28mm, Left: 42mm