Industry Nine iRiX Upper ZS44/28.6 Silver 5mm Cover MFPN=Y6SC98040 Low-effort lever input coupled with

Low-effort lever input coupled with high-fidelity power output for optimum braking feel and control

}Shimano Dura-Ace RD-R9150 Rear Derailluer Bracket Axle Unit - Normal Type

Improved radial compliance for better traction over bumps & chatter while reducing negative feedback to the rider gives enhanced performance & comfort

}Full Speed Ahead ORBIT DL 1-1/8" Threadless Headset Black

}RaceFace Chester 35 Stem - 50mm 35 Clamp +/-0 Direct Mount Aluminum Black

Industry Nine iRiX Upper ZS44/28.6 Silver 5mm Cover MFPN=Y6SC98040 Low-effort lever input coupled withCustomize and upgrade your cockpit with iRiX options Separate upper and lower headset cup assemblies to mix and match Upper assemblies include star nut and top cover, while lower assemblies include split crown race Crown race and top cover employ removable and replaceable silicone lip seals to keep the sealed, 440c stainless steel bearings contaminant free TECH SPECS model iRiX upper S. H. I. S. ZS44 28. 6 upper lower upper stack 6mm color silver