Alex X404 27" 36 Hole Silver Rim Brake Compatibility: Rim BrakeERD: 618mmHoles: 36spokesISO Diameter: 630Material: AlloyRim Center Offset: 0mmRim Depth: 15.2mmRim Detail Color: SilverRim Diameter: 27"Rim Holes: 36 HolesRim Width: 27.2mmValve: PrestaWeight: 322g