Brand x headset 34eess loose ball bearingsthe brand x 34eess headset has an external 34mm upper cup and an external 34mm lower cup for use with a 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 features all steel loose ball bearings with seals height 22 1mm material steel shis norm ec34286 ec3430 includes top cap and star nutbuy brand x components from chain reaction cy