SPECIFICATION :FRAMES-Works SL4 FACT 11r carbon, FACT construction, tapered/shaped headtube, compact race design, 1-3/8" lower headset bearing, carbon OSBBSWAT-REAR SHOCK-FORKS-Works Tarmac FACT carbon full monocoque, OS race for 1-3/8" bearing, hollow carbon dropoutsHEADSET1-1/8" upper and 1-3/8" lower, hybrid cartridge lightweight bearings, 8mm carbon cone spacer, w/ 20mm of carbon spacersSTEMS-Works SL, 3D forged 7050 aluminum, 4-bolt, 31.8mmHANDLEBARSS-Works Tarmac Bend, FACT carbon, 140mm drop, 85mm reachTAPESpecialized SLFRONT BRAKEShimano Dura-AceREAR BRAKEShimano Dura-AceBRAKE LEVERSShimano Dura-Ace Di2FRONT DERAILLEURShimano Dura-Ace Di2, braze-on, 11-speedREAR DERAILLEURShimano Dura-Ace Di2, 11-speedSHIFT LEVERSShimano Dura-Ace Di2 STI, 11-speedCASSETTEShimano Dura-Ace, 11-speed, 11-28CHAINShimano Dura-Ace, 11-speedCRANKSETS-Works FACT carbon, OSBBCHAINRINGS53/39BOTTOM BRACKETOS integrated, CeramicSpeed, sealed ceramic bearingsPEDALSNylon flat test ride, loose ball, w/ reflectorsFRONT WHEELRoval Rapide CLX 40, w/ CeramicSpeed bearingsREAR WHEELRoval Rapide CLX 40, w/ CeramicSpeed bearingsRIMS-FRONT HUB-REAR HUB-SPOKES-FRONT TIRES-Works Turbo, 220TPI, foldable aramid bead, BlackBelt protection, 700x24cREAR TIRES-Works Turbo, 220TPI, foldable aramid bead, BlackBelt protection, 700x24cINNER TUBESTurbo Ultralight, 60mm presta valveSADDLEBody Geometry Toupé Pro, carbon rails, 143mmSEATPOSTS-Works SL, FACT carbon, 2-bolt, 27.2mmSEAT BINDERForged alloy, Ti bolt, 32.6mm