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Wolf Tooth Components Premium ZS Upper Headset - Black

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US$38.97 cheaper than the new price!!

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Product details

Management number 236311255 Release Date 2026/07/09 List Price US$25.98 Model Number 236311255
Category
Wolf Tooth headsets are machined here in our Minnesota shop with aircraft-grade 6061 aluminum. They are designed to be lightweight, strong, and durable. Our headsets have three levels of industry-leading custom sealing to protect bearings from the elements and prolong the life of the headset. Available in a variety of colors. These ZS headsets are for frames with internal bearing cups that are pressed into the frame. Premium Headsets with Enduro stainless steel bearings have a lifetime warranty.

Compatibility
  • Any frame that uses ZS (Zero Stack) headsets with 44mm upper and 56mm lower head tube inner diameter.
  • Uppers and lowers sold separately.
  • Enduro stainless steel sealed bearings included on both the upper and lower.
  • Upper headsets ship with a star nut which can only be used on forks with steel or aluminum steerer tubes. For forks with carbon steerer tubes you will need a compression plug (sold separately). (Never use a star nut on a carbon steerer tube).

Upper assembly features:

  • Ultralight stem cap with integrated spacer plus an aluminum bolt and a star nut.
  • 6, 15 and 25 mm stack height top cover options (6mm cover = 6mm total stack, 15mm cover = 15 total stack, 25mm cover = 25mm total stack).
  • O-ring seal prevents water intrusion around steerer tube.
  • Custom-molded upper lip seal provides additional protection for upper bearing.

Specifications

  • Weight: 55-58g
  • Material: 6061 aluminum
  • Stem Cap Bolt Torque Spec: 2-3 Nm with light grease on threads only
  • Made in the USA

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