Brand x headset 34eess 1 18 threadedthe brand x 34eess headset has an external 34mm upper cup and an external 34mm lower cup for use with a threaded 1 18 straight steerer it uses loose ball bearings and has been designed to offer superior reliability quality and performance at an exceptional price point featuresall steel loose ball bearings with sealsheight 375 05mmsize 1 18 material steelshis norm ec34286 ec3430buy brand x components from chain reaction cycles the wo