Industry Nine iRiX Upper ZS44/28.6 Silver 5mm Cover CheckoutTitle=Finish Line Speed Degreaser Step In Side Towers

Step In Side Towers

Do not exceed 6 Nm torque

RG RACE BLUE -6°

and the 2023-2024 updates look to improve on a solid boot

These will fit on Shimano Hyperglide style freehub spline (geared or singlespeed)

Industry Nine iRiX Upper ZS44/28.6 Silver 5mm Cover CheckoutTitle=Finish Line Speed Degreaser Step In Side TowersCustomize 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