Wolf Tooth Premium Headsets are machined with aircraft-grade 6061 aluminium. They are designed to be lightweight, strong, and durable. Wolf Tooth Premium Headsets have three levels of industry-leading custom sealing to protect bearings from the elements and prolong the life of the headset.
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.