FSA Orbit C-40/48 Intergrated Headset

- 1-1/8", 45/ 45 ACB upper - 1.5", 36/ 45 ACB lower - Compatible with carbon or alloy head tubes - For tapered 48mm / 56mm OD head tube - For 1-1/8" to 1.5" tapered fork - Carbon fiber top cover - Upper: Campy angular contact bearing (black seal) - Lower: 1.5" 36/ 45 angular contact bearing (black seal) - Alloy crown race - Stack height 15.5+0.9=16.4mm - 91.5 grams