Full Speed Ahead Orbit C-40/48 Integrated Headset (IS41-42/28.6) (IS52/40)

FSA Orbit C-40/48 Integrated Headset Description: FSA Orbit Carbon Series Headset. Features: FSA's carbon top covers provide weight reduction and high-end glamour Compatible with carbon or alloy head tubes CF, C-40: 45x45 degree Campagnolo Integrated Upper bearing: Campy angular contact bearing Lower bearing: 1.5" 36deg/ 45deg angular contact bearing Specifications: Model: Orbit C-40/48 SHIS Upper: IS42 SHIS Stem Clamp Diameter: 28.6 (1-1/8") SHIS Lower: IS52 Crown Race: 40 Steerer Type: Tapered (1-1/8" - 1-1/2") Stack Height: 15.5mm/9mm Bearings: 45 x 45deg (Upper), 36 x 45deg (Lower) Color: Carbon Weight: 91.5g