Wolf Tooth Components
ZS56/40 Zero Stack Lower 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

Lower assembly features:

• Custom molded dual lip seal on the crown race to protect lower bearing in the toughest conditions
• All components precision machined in-house at Wolf Tooth from aircraft grade aluminum to ensure the highest level of quality
• Service and additional parts available

Tech Specs:

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