White Industries Zero Stack Headset (Silver) (1-1/8" to 1-1/2") (ZS44/28.6) (ZS56/40)

White Industries Zero Stack Headset (Silver) (1-1/8" to 1-1/2") (ZS44/28.6) (ZS56/40)
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Price: $155.99

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The White Industries ZS44/ZS56 headset is designed to fit frames with tapered 44mm/56mm head tubes and works with tapered 1-1/2” fork steerers.  The “ZS” stands for “Zero Stack” as the section of the cup that houses the bearing sits inside of the frame’s head tube.  The “44/56” stands for the top/bottom diameter of the “skirt” that presses into the frame.


  • Constructed from US sourced 6061-T6 Aluminum
  • Machine engraved White Industries logos
  • Easily replaceable bearings
  • Split crown race makes for a tool-free installation
S.H.I.S. Upper: ZS44/28.6
S.H.I.S. Lower: ZS56/40
Steerer Tube: 1-1/8" to 1-1/2" (Tapered)
Upper Stack Height: 8mm
Lower Stack Height: 4mm
Upper Bearing Contact Angle: 36/45°
Lower Bearing Contact Angle: 36/45°
Crown Race: 40
Color: Silver
Weight: 102g 

This product was added to our catalog on February 22, 2022