Acros ZS56/ZS56 Bearing Set

Semi-integrated headset (ZS) for frames with 56mm head tube at the top and bottom. In the zs56 bearingset the combination of stainless steel angular contact ball bearings and sophisticated sealings ensure durability with minimum maintenance and therefore more worry-free time in the saddle. Key Features• Upper Inner Diameter (ID): 56mm• Lower Inner Diameter (ID): 56mm• Steerer: 1 1/4"• Upper Bearing Dimension: 52x42x7mm - 45∞/45∞• Lower Bearing Dimension: 52x42x7mm - 45∞/45∞