70-Series Headset, IS41/28.6|IS52/40 Silver

- Designed to bridge the gap between the 40 and 110-series headsets\n- Contoured and relieved 6061-T6 aluminum for minimized weight and maximized strength \n- 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\n- Dual-Seal crown race provides excellent seal efficiency with low friction\n- Carbon friendly compression ring and Interlok spacer compatible