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 compatibleCups and covers are internally contoured and relieved to minimize weight and maximize strength. Top cover with low-friction upper bearing seal completely seals cup from contaminants and is fully captured by the top cover with no loose parts. Alloy Dual-Seal crown race provides excellent seal efficiency with low friction.
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