Full Speed Ahead Orbit Xtreme Pro Headset 1-1/8", Black

The FSA Orbit Xtreme Pro threadless headset is constructed of forged and CNC machined 7075/T6 aluminum cups. Forged and CNC machined 7075/T6 aluminum cups Stainless steel Angular Contact Bearings Stainless steel crown race 1.5'' patented alignment tip for increased durability and performanceadsets have 21mm headtube insertion Deep Cup model has 22mm insertion of upper and lower cups Specifications: Upper Stack Height: 16.2 Defined Color: Black S.H.I.S. Stem Clamp Diameter: 28.6 Threadless S.H.I.S Lower: EC34 Weight: 99 Bearing Type: Cartridge Crown Race: 30 Color: Black S.H.I.S Upper: EC34 Lower Stack Height: 13.5