Promax IG-45 Alloy Sealed Integrated 45x45 1" Adaptor Headset Black ModelNumber=26071 } The Comp Buzzard features

} The Comp Buzzard features a 70mm flat rise

}Tubolito S-Tubo CX/Gravel All Tube - 700 x 32-50mm 60mm Presta Valve Black

4 for I-Spec II: Fits Quadiem HD-M830

Compatible with SRAM and Shimano 10-speed systems

Promax IG-45 Alloy Sealed Integrated 45x45 1" Adaptor Headset Black ModelNumber=26071 } The Comp Buzzard featuresPromax IG 45 Alloy Sealed Integrated 45x45 1" Adaptor Headset Black. The IG 45 integrated headset features an aluminum cap bearing cover and crown race with super smooth rolling precision 4545 bearings. TECH SPECS Color Black Crown Race 26 Defined Color Black S. H. I. S Upper IS42 S. H. I. S. Stem Clamp Diameter 25. 4 Threadless S. H. I. S Lower IS42