Industry Nine iRiX Upper Specialized IS Headset Solution

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Customize and upgrade your cockpit with iRiX options Made exclusively for Specialized frames with molded-in internal bearing cups. Frame 42mm ID with 6.5mm depth to where the 45 de gree taper begins Upper assemblies include star nut and top cover Top cover employ removable and replaceable silicone lip seals to keep the sealed, 440c stainless steel bearings contaminant-free Compatible models: aluminum mountain bikes (except pre-2017 Chisel HT aluminum),Camber Carbon (2014), Chisel Alloy HT (Smartweld HT 2017-2021), Enduro 29 Carbon (2014), Enduro Carbon (2017, 2020), Epic Carbon (2014), Epic FSR (2021), Epic FSR Carbon (2018), Epic HT (2017, 2020), Fatboy Carbon (2015), Fuse Carbon (2017), Stumpjumper (2021), Stumpjumper Carbon (2019), Stumpjumper EVO (2021), Stumpjumper FSR Carbon (2016), Turbo Levo Model IRiX Specialized IS Upper S.H.I.S. IS42/28.6 Upper/Lower Upper Stack 5mm Color Blue, Orange, Red, Silver Weight 27g Show more