Cane Creek 40 ZS56/28.6 Complete Headset - Includes Upper and Lower, Black

40-Series Zero Stack headsets set the standard for performance, durability and value. Drawing from the premium 110-Series design, the 40-Series includes all the features necessary for a durable, lightweight, long-lasting headset. Sealed ZN40 cartridge bearings 6000 series alloy cups and materials Steel crown race with integrated seals Interlok spacer compatible Product Specifics Material: Aluminum S.H.I.S Upper: ZS56 S.H.I.S. Stem Clamp Diameter: 28.6 Threadless S.H.I.S Lower: ZS56 Color: Black Bearing Type: Cartridge Defined Color: Black Today's Stock Status 10+ Available to ship in 2-4 Business Days UPC: 840226080192 EAN: Not available Manufacturer Part Number: BAA2202K HD0159 185999-Q0-L