Felt Race Road UHC Advanced + TeXtreme® carbon fiber, MMC with InsideOut construction, carbon fiber BB386 bottom bracket shell and carbon fiber dropouts, 7075 CNC aluminum replaceable rear derailleur hanger, mechanical (external) or electronic (internal) cable routing

Felt Race Road UHC Ultimate + TeXtreme carbon fiber monocoque construction, size specific ControlTaper carbon fiber steer tube with integrated compression device and carbon fiber crown race, crown, blades and dropouts

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43 - 47cm: FSA IS-21 integrated, 1.125"" sealed cartridge bearing ; 51 - 54cm: FSA NO.382, 1.125""- 1.25"" sealed cartridge bearing; 56 - 61cm: FSA NO.38/42, 1.125"" - 1.5"" sealed cartridge bearing ; with Felt VariableHeight Cone Spacers (20mm PC, 4.5mm aluminum), 1 x 10mm + 2 x 5mm PC headset spacers, Felt carbon fiber top cap and aluminum bolt

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