FSA NO.55R 1.5-inch/ACR Headset

FSA ACR (Aerodynamic Cable Routing) Headsets are suitable for both road and MTB riding styles and feature angular contact bearings. - A fully integrated cable routing - No rotation limit - ACR top cover - Angular contact bearing - Specific frame required - 1.5" headtube - 36/45 ACB - For 55.8mm OD headtube - For 1-1/8" to 1.5" tapered fork - Stack height 10.4+0.5=10.9