White Industries ZS/EC Headset (Black) (1-1/8″ to 1-1/2″) (ZS44/28.6) (EC44/40)

Description

The White Industries ZS44/EC44 headset is designed to fit frames with straight 44mm head tubes and can accommodate straight and tapered fork steerers with the appropriate crown race. The ZS stands for Zero Stack as the section of the cup that houses the top bearing sits inside of the frames head tube while EC stands for External Cup meaning the section of the cup that houses the lower bearing sits outside of the frames head tube. The 44 stands for the diameter of the skirt that presses into the frame. Features: Constructed from US sourced 6061-T6 Aluminum Machine engraved White Industries logos Easily replaceable bearings Split crown race makes for a tool-free installation Specifications: S.H.I.S. Upper:ZS44/28.6 S.H.I.S. Lower:EC44/40 Steerer Tube:1-1/8″ to 1-1/2″ (Tapered) Upper Stack Height:8mm Lower Stack Height:12mm Upper Bearing Contact Angle:36/45 Lower Bearing Contact Angle:36/45 Crown Race:40 Color:Black Weight:104g