Wolf Tooth Components
ZS44 Zero Stack Upper Headset

Wolf Tooth Precision Headsets are machined in the USA out of aircraft grade aluminum with superior sealing for protection against the elements. Available in a variety of colors to add some style to your bike. These ZS headsets are for frames with internal bearing cups that are pressed into the frame. 

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 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 = 16mm total stack, 15mm cover = 15 total stack, 25mm cover = 25mm total stack)
• O-ring seal prevents water intrusion around the steerer tube
• Custom molded upper lip seal provides additional protection for upper bearing

Tech Specs:

• Weight: 55-58g
• Material: 6061 aluminum
• Made in the USA