Crank Brothers Cobalt SL HeadsetUltra-Light and MinimalistIf you're looking for a minimalist headset for your XC bike, then you're in the right place. The Crank Brothers Cobalt SL Headset is an ultra-light stainless steel directset for XC racing. It is designed for 1-1/8" headtubes and is made from 440c stainless steel. It features sealed 28-ball retainer bearings on the top and bottom and is only 65g. FeaturesWeight: 65gMaterial: 440c stainless steelBearings: sealed 28-ball retainer | Crank Brothers Cobalt Sl Headset 1 1/8"