Headset — integrated

Semi-integrated headset designed for frames with head tube: top: with internal diameter 44 mm/outer diameter 50 mmbottom: with internal diameter 55 mm/outer diameter 61 mmtapered fork steerer 1-1/8"-1.5"FSA TH-873E, 36°x45° and TH-073E, 36°x45° ACB (Angular Contact Ball bearings) have high running precision, which is ensured thanks to the optimized internal structure that allows capturing simultaneously acting radial and axial load. For use with a 1-1/8" fork, it is necessary to purchase the FSA Crown Race H6079.