Dimension Front BMX Wheel Formula, 14mm 48h, Alex X2000, Black Brake Compatability: Rim BrakeBrakes Compatibility: Rim BrakeF/R: FrontHole: 48hHoles: 48hHub Spacing: 100mmRear Axle Type: 14mm bolt onRear Hub Spacing: 100mmWheel Color: blackWheels Size: 20"