... Felt Aero Road UHC Ultimate + TeXtreme carbon fiber, MMC w/ InsideOut construction, carbon fiber BB30 & dropouts, 7075 CNC aluminum replaceable ... Road UHC Ultimate + TeXtreme carbon fiber monocoque construction, AeroTaper 1.125 - 1.25 carbon fiber steer tube w/ integrated crown race, ... sealed superlight cartridge bearing w/ carbon fiber 15mm cone spacer, 2 x 10mm carbon fiber headset spacer + 1 x 5mm ...