Uses common 'Campy' Campag style MR121 bearings. The top cover is 15mm, giving a total assembled height of ~33mm.
FSA Orbit C-40-ACB 1.5 Headset (No.42/ACB) IS42 / IS52 Tapered Integrate Headset
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
Replacement Headset Bearings to fit FSA NO.42 ORBIT C-40 1-1/8" to 1.5" IS42 / IS52 Headsets
FSA NO.42 Orbit C -40 Tapered Headset Bearings | Blueseal Bike Bearings
FSA Integrated Headset ORBIT C-40 1-1/8Inches to 1.5Inches Tapered, Black , XTE1519
