FSA Orbit ZS Headset ZS44/28.6|ZS44/30 Black CheckoutTitle=SKS Velo Fender Set Bottom bracket bearings sit inside

Bottom bracket bearings sit inside the frame

Weight (post only):

High resistance to oxidation and corrosion

Power Transmission: Total Edge Technology with ABS sidewalls

• 147mm length

FSA Orbit ZS Headset ZS44/28.6|ZS44/30 Black CheckoutTitle=SKS Velo Fender Set Bottom bracket bearings sit insideFSAs core line of headsets that have become an industry benchmark\nAll Orbit headsets feature forged and CNC machined 6061 T6 alloy cups Orbit IS, CF, Z, ZS, X, MX, XL II include angular contact bearings Orbit Xtreme Pro include stainless steel industrial cartridge bearings and stainless crown race Orbit UF include lower angular contact bearing and upper 5 32 inch caged bearing Orbit DL include 5 32 inch caged bearings IS: 36x45 degree Cane Creek