Crank Brothers Cobalt C XC Headset
Light XC Directset features bearing steel 28-ball cartridge bearings.
Weight 65g
Size 1 1/8in.
Stack height 21mm including crown race
Material: 52100 bearing steel
440c stainless steel lower
Preload aluminum/steel 25g
Upper bearings sealed 28-ball retainer
Lower bearings sealed 28-ball retainer