Hardly any other component is more hidden but nevertheless important than the Headset. More than 15 years of know-how in bearing technology are directly reflected in our products. The result are high-end headsets with the right spark of glamour and elegance.The combination of stainless steel angular contact ball bearings and sophisticated sealings ensure durability with minimal maintenance and therefore more worry-free time in the saddle.A semi-integrated headset (ZS) for frames with 56mm head tube at the top. Compatible with all forks with 1 1/8″ steerer tube (28.6mm) at the top.Key Features Diameter cup skirt: 56mm Outer diameter: 63mm Fork steerer: 1 1/8″ (28.6mm) Total stack height: 8.0mm Cup skirt length:7.7mm Weight: 56g