Promax IG-45 Alloy Sealed Integrated Headset Tapered 1-1/8 Top/1.5" Bottom

The IG-45 integrated headset features an aluminum cap, bearing cover and crown race with super-smooth rolling, precision 45×45 bearings.

Color: Black
S.H.I.S. Stem Clamp Diameter: 28.6 Threadless
Crown Race: 30
S.H.I.S Lower: IS52
Bearing Type: Sealed Cartridge
S.H.I.S Upper: IS42
Defined Color: Black