Cane Creek 110 Headset - IS41/28.6|IS52/40 Short Cover Yeti110 Series features the strongest materials, most effective seals and the best aesthetics with a 110 year no questions asked warranty Contoured and relieved 7075 T6 aluminum for minimized weight and maximized strength, with split lip sealed stainless steel bearings Low friction, dual seal crown race and top cover provides maximum sealing from contaminants, plus a captured compression ring design for carbon steerer compatibility (Interlok spacer