Features of the SRAM MTB Predictive Steering Front Hub Hub/Brake Compatibility, 6-Bolt Disc Center to Flange, Left, 26 Center to Flange, Right, 34 Bearing Type, Sealed Cartridge Flange Diameter, Left, 50 Flange Diameter, Right, 46 Defined Color, Black Weight, 165 Front Axle, Predictive Steering x 110mm Color, Black Hub Drilling, 32 Spoke Interface, J-Bend