FSA Orbit C-40/48-CF-ACB UD-Carbon Tapered Headset (121-0478A)
High-quality, fully integrated aluminium headset for tapered 1.5 - 1 1/8 inch steerer.
With carbon fiber top cover and high-quality cone made of aluminium.
Upper bearing 1 1/8 inch - 45°/45° ACB (Campagnolo compatible).
Lower bearing 1.5 inch - 36°/45° ACB .
The FSA No. 42/48CF/ACB carbon hedset has the following mounting sizes - upper bearing inner/outer: 42/48 mm, lower bearing inner/outer 52/56 mm.