Wolf Tooth Components Premium ZS44/28.6 Upper Headset - 15 mm Stack

• Compatible with any frame that uses ZS (Zero Stack) headsets with an upper head tube inner diameter of 44 mm
• ZS headsets are for frames with internal bearing cups that are pressed into the frame
• Machined with aircraft-grade 6061 aluminum
• Enduro stainless-steel bearings provide unparalleled corrosion resistance
• 3 levels of industry-leading custom sealing protect bearings from the elements and prolong the life of the headset
• O-ring seal prevents water intrusion around steerer tube
• Custom-molded upper lip seal provides additional protection for upper bearing
• Lightweight stem cap with integrated spacer, plus an aluminum bolt and star nut
• Star nut can only be used on forks with steel or aluminum steerer tubes; forks with carbon steerer tubes will need a compression plug (not included)
• Backed by a lifetime warranty from Wolf Tooth Components

Made in USA.