FSA Premium Orbit C-40 ACB Lower Headset 1.5" MFPN=7057-5 These custom T-20 bolts are

These custom T-20 bolts are direct replacements

Syncros XC 2

Power meter is fully integrated into the chainring set for lighter weight

if so equipped) or B-pivot knuckle with a thickness of 7

AXS™ enabled for easy personalization

FSA Premium Orbit C-40 ACB Lower Headset 1.5" MFPN=7057-5 These custom T-20 bolts areFSAs flagship headsets in separate upper and lower headset cup assemblies FSA Integrated 41. 2mm ID (36x45), Campy Hiddenset 42. 0mm ID (45x45) , ZS (ZeroStack), or EC (traditional External Cup) available for 1 1 8 inch and tapered steerers For clarification go to http: www. fsaeasyheadset. com TECH SPECS model Premium C 40 upper lower lower S. H. I. S. IS52 40 stack 0. 7mm color black