3pc Axle. Flange diameter 39mm. Flange width 75mm. 2 x 6902 bearings. 7075 alloy Axle. H/treated cr-mo 17mm bolts, 6mm allen head, full CNC throughout. Colors: Flat Black, flat white, anodized blue, anodized purple, anodized orange, anodized aqua green, anodized gold, anodized red and high polished. Weight: 203grams with bolts.