Promax IG-45 Alloy Sealed Integrated Tapered 1-1/8 Top 1.5" Bottom Headset Includes 1-1/8" Fork Race BLK MPFN-8022989 }Shimano Deore XT SM-RT86-S2 Disc

}Shimano Deore XT SM-RT86-S2 Disc Brake Rotor - 160mm 6-Bolt Silver/Black

Extra Light tubes offer a reduced weight with the same reliability as the standard version

Lower Tubes Material Magnesium Damping Charger 3

}Wheels Manufacturing Derailleur Hanger - 534

Promax IG-45 Alloy Sealed Integrated Tapered 1-1/8 Top 1.5" Bottom Headset Includes 1-1/8" Fork Race BLK MPFN-8022989 }Shimano Deore XT SM-RT86-S2 DiscPromax IG 45 Alloy Sealed Integrated Tapered 1 1 8 Top 1. 5" Bottom Headset Includes 1 1 8" Fork Race 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 Bearing Type Sealed Cartridge Crown Race 30 Defined Color Black S. H. I. S Upper IS42 S. H. I. S. Stem Clamp Diameter 28. 6 Threadless S. H. I. S Lower IS52