Industry Nine iRiX Upper EC34/28.6 Orange 5mm Cover Model=Trace J-Bend Front Hub 5" to 1-1/8") color black

5" to 1-1/8") color black

We recommend the 2/3 combination for most skiers

clearance is greatly improved

} Forged aluminum arms with JIS square spindle taper (129mm BB sold separately)

For exercisers

Industry Nine iRiX Upper EC34/28.6 Orange 5mm Cover Model=Trace J-Bend Front Hub 5" to 1-1/8") color blackCustomize 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. EC34 28. 6 upper lower upper stack 11mm color orange