FSA Orbit ZS Headset ZS44/28.6|ZS44/30 Black S.H.I.S.-ZS44/28.6 / ZS44/30 Micro Spline Syncros Axle with

Micro Spline Syncros Axle with removable lever (includes 6mm Allen

– Ideal for edge and base tuning

Since its introduction

5CM) & KIT 160/180

Traditional SRAM derailleurs work but not the 1x specific X-HORIZON rear derailleurs

FSA Orbit ZS Headset ZS44/28.6|ZS44/30 Black S.H.I.S.-ZS44/28.6 / ZS44/30 Micro Spline Syncros Axle withFSAs 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