Bottom to narrow down the headset model needed. a straight 1.1/8" steerer tube if a reducing headset race is available for that headset. Steerer Tube OD: 1.1/8" to 1.5" tapered. or integrated headsets.
FSA No.57E Orbit Tapered Headset Sealed Bearing 1.5E ZS 1-1/8Inches to 1.5Inches OD 50/62mm, XTE1533
Create idea 2PCS Bike Tapered Headset Bearings Kit Upper Bearing MH-P08F 45°+ Lower Bearing ACB518K 36°×45° Compatible with FSA NO.42 ORBIT C-40 1-1/8" to 1.5" IS42 / IS52
FSA No.57 Orbit Headset Sealed Bearing 1.5 ZS 1-1/8"-1.5" Tapered Integrated #XTE1531
FSA NO.42 Orbit C -40 Tapered Headset Bearings | Blueseal Bike Bearings
FSA No.57 Orbit Sealed Bearing 1.5 ZS 1 1/8"-1.5" tapered Headset Short or Tall
FSA Orbit C-40-ACB 1.5 Headset (No.42/ACB) IS42 / IS52 Tapered Integrate Headset
