Promax IG-45 Alloy Sealed Integrated

The IG-45 integrated headset features an aluminum cap, bearing cover and crown race with super-smooth rolling, precision 45×45 bearings. Color: Gold-Red-Blue-Black S.H.I.S. Stem Clamp Diameter: 28.6 Threadless Crown Race: 30 S.H.I.S Lower: IS42 S.H.I.S Up