Product information "AZ-44 HEADSET"AZ-44 HEADSET ZERO STACKZerostack construction forms are widely used through their advantages, of a low overall height and bearing shells.Features:Stainless - Industry - Angular contact ball bearings, double sealedCNC - made in Germany / Al2000 seriesR3 seal (metal sheet supported rubber seal)Technical Specifications:AZ-44 Top ZS-44/28,6Fork steerer:28,6/1 1/8"Cup skirt Ø: 44mmCup skirt length: 7,7mmTotal stack high: 8mmWeight: 39g