FSA ORBIT C-33 Integrated Headset fit 1-1/8 to 1-1/4" Tapered
For 1-1/8" to 1-1/4" tapered fork. - For tapered 47mm / 52mm OD head tube. - Compatible with carbon or alloy headtubes. - 1-1/8in Upper,1-1/4in Bottom. - Alloy top cover. - Stack Height 15+1.6=16.6mm.