The same team that brought you the Mallet and 5050 pedals have turned their attention to headsets. The Crank Brothers Opium C Directset omits the standard headset cup and replaces it with flanges incorporated directly onto the bearing itself. The Opium C Directset's outer races are formed from 52100 bearing steel with a black finish. Its good looks cover some thorough engineering though. It features custom made 34 ball full complement (max) bearings both top & bottom. For Downhill racing, nothing else will do. Crank brothers are so confident in the strength of this design that they offer a full 5 year warranty on the bearings in all of their Directsets.
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• Weight 66g • Size 1 1/8in. • Stack height 21mm including crown race • Material 52100 bearing steel • Preload aluminum/steel 25g • Upper bearings sealed 34-ball max • Lower bearings sealed 34-ball max • Warranty 5 years