Designed to bridge the gap between the 40 and 110-series headsets. Contoured and relieved 6061-T6 aluminum for minimized weight and maximized strength . Low-friction upper bearing seal completely seals cup from contaminants and is fully captured by the top cover with no loose parts. Premium, sealed stainless-steel Hellbender bearings. Dual-Seal crown race provides excellent seal efficiency with low friction. Carbon friendly compression ring and Interlok spacer compatibleItem Specifications: S.H.I.S. Stem Clamp Diameter, IS42/28.6, Color, 9mm/1mm, Model Name, Hellbender 70, Weight, Gold, Stack, IS52/40,.
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