The Cane Creek HCR (Hidden Cable Routing) is a better headset and stem system for road and gravel bikes that use internal headset cable routing. HCR hides the brake hoses from view without fully enclosing them in the stem or spacers, allowing for easier installation, maintenance, and travel. With its easy-to-use and fully sealed design, HCR delivers the clean look of internal routing without the downsides often associated with it.Machined 6061-T6 aluminum cups are lightweight and ruggedOptimized for wireless drivetrains, the HCR Headset is compatible with third-party stems using included conversion spacerPremium Cane Creek Hellbender stainless steel bearings feature ultra-smooth movement and exceptional durability for a long service lifeFeatures an interlocking cable seal, steerer tube seal, bearing lip seal and, dual-lip crown race seal keep the headset protected from outside contaminatesItem SpecificationsBearing TypeCartridgeColorBlackCrown Race40Defined ColorBlackLower Stack Height12MaterialAluminum / SteelS.H.I.S LowerEC44S.H.I.S UpperEC44S.H.I.S. Stem Clamp Diameter28.6Stack Height31Upper Stack Height19Weight147 Cane Creek HCR (Hidden Cable Routing) Headset Headsets UPC: 840226070964