Orbit ZS Headset, ZS44/28.6|ZS44/30 Black

- FSA's core line of headsets that have become an industry benchmark\nAll Orbit headsets feature forged and CNC machined 6061 T6 alloy cups\n- Orbit IS, CF, Z, ZS, X, MX, XL II include angular contact bearings \n- Orbit Xtreme Pro include stainless steel industrial cartridge bearings and stainless crown race\n- Orbit UF include lower angular contact bearing and upper 5/32" caged bearing\n- Orbit DL include 5/32" caged bearings\n- IS: 36x45 degree Cane Creek Integrated, CF: 45x45 degree Campagnolo Integrated, ZS: ZeroStack shallow, Z: ZeroStack deep, or Xtreme-Pro, X, MX, XLII, UF, DL: External Cup traditional available for 1", 1-1/8", tapered and 1.5" applications\n- For clarification go to http://www.fsaeasyheadset.com