DescriptionMachined alloy cups finished in dual stage black and gold anodization. Premium Enduro X-15 bearings with nitrogen infused stainless steel races that will not rust or corrode paired with Silicon Nitride ceramic balls TECH SPECSWidth68/73mmBB InterfaceBB30Spindle Type30mmLengthCup MaterialAlloyWeight93gCup TypeCup OD/Bearing ODColorBlack/Gold
