Wolf Tooth Precision Headsets are machined in the USA out of aircraft grade aluminum with superior sealing for protection against the elements
      
      
        
          
        
    - Custom molded upper lip seal provides additional protection for upper bearing
 - Enduro stainless steel sealed bearings
 - Wolf Tooth signature 5mm integrated spacer plus stem cap with an aluminum bolt and a star nut
 - O-ring seal prevents water intrusion around the steerer tube
 - Uppers include a 5mm integrated spacer stemcap with an alloy bolt
 - Made in MN, USA
 - Size: EC34/28.6
 - Compatibility: Any frame that uses an external cup headset with a 34mm upper head tube inner diameter
 - Upper/Lower: upper only