Now available in a longer 4.5″ option. SPECS Material4140 crmo liquid heat-treated Size14mm axle hole with adapters for 3/8″ axle Length4.13″ or 4.5″ Outer Diameter35mm Coloursphosphate raw Featuressmaller diameter / double-butted dent prevention design / lightweight design 5 boreholes, between 5 slick cut-outs / sold as single Weight4.13″: 179g (6.31oz/ 0.39lbs) per piece4.5″: 210g (7.4oz/ 0.46lbs) per piece