Includes:4 Wheels with hardwareNotes:6mm Hubs are available (PHB5046)9mm Hubs are available (PHB5047)12mm Hubs are available (PHB5048)15mm Hubs are available (PHB5049)Brass Rings are available (PHB5054)Features:CNC machined Aluminum wheelsAnodized Blue9mm wheel hubs IncludedScale hardware 2x6mm12mm HexAluminum RingsSpecifications:OD: 56.5mmWidth: 27mmCenter Hole OD: 6.1mmNegative Offset:-2mm