Value oriented disc hub with forged alloy shell, steel axle and hardware. Hi/Lo flange design results in a stronger wheel. Cup and cone bearing design with polished bearing surfaces. Machined windows on rotor side flange. Please note that radial lacing voids the manufacturer's warranty. Item Specifications: Spoke Interface: J-Bend, Defined Color: Black, Color: Black, Flange Diameter, Right: 45, Flange Diameter, Left: 58, Weight: 230, Hub Drilling: 32, Bearing Type: Loose Ball, Front Axle: QR x 100mm, Hub/Brake Compatibility: 6-Bolt Disc, Center to Flange, Right: 32.9, Center to Flange, Left: 21.9,