Featureā—¸Aircraft Grade 6061 Aluminum / Lightweight and Durable Headset with 3-Stage Custom Sealing Included with Enduro Stainless Steel Shield Bearing. Ultra light stem cap with built-in spacers and is equipped with aluminum bolts and stunnuts. Custom molded dual lip seals on crown race to protect bearings in extreme conditions COMPATIBILITY: All frames that use zero-stack headsets with head inner diameter 44mm/bottom 56mm Material: 6061 aluminumDescription
Aircraft Grade 6061 Aluminum / Lightweight and Durable Headset with 3-Stage Custom Sealing Included with Enduro Stainless Steel Shield Bearing. Ultra light stem cap with built-in spacers and is equipped with aluminum bolts and stunnuts. Custom molded dual lip seals on crown race to protect bearings in extreme conditions COMPATIBILITY: All frames that use zero-stack headsets with head inner diameter 44mm/bottom 56mm Material: 6061 aluminum.