Great racing bike in impeccable condition. No scratches on the frame. Fully functional and ready to use immediately. Product details Full carbon Size 54 Color Black Complete Sram Red drivetrain and brakes Zertz vibration damping Wheels Roval Rapide CLX Smoother is faster. The more comfortable you sit and the less fatigue you experience, the better you feel on longer rides. This is aided by the relaxed endurance geometry along with the vibration-damping Zertz inserts. The stiff FACT carbon frame of the S-Works Roubaix SL4 provides you with direct handling and efficient power transfer for a sporty ride. * Lightweight S-Works SL4 FACT 11r frame w/ Zertz offers smooth, uncompromising ride quality * Lightweight and efficient, FACT carbon CG-R seatpost w/ Zertz vibration damping * 1-1/8" upper and 1-3/8" lower, stainless steel bearings integrated w/ headset * S-Works FACT carbon monocoque fork w/ Zertz and size-specific taper for steering precision * Pro-quality, long-lasting and lightweight CeramicSpeed bottom bracket w/ ceramic bearings Technical specifications FRAMESET S-Works SL4 FACT 11r carbon, FACT construction, tapered/shaped 1-1/8" to size-specific lower headtube, compact race design, Zertz, internal cable routing, carbon OSBB FORK Specialized FACT carbon, size-specific taper HEADSET 1-1/8" upper, size-specific lower, hybrid cartridge lightweight bearings, 8mm carbon cone spacer, w/ 25mm of carbon spacers SEAT BINDER Alloy, Ti bolt, 32.6mm DRIVETRAIN BOTTOM BRACKET CeramicSpeed, ceramic bearings COCKPIT SEATPOST Specialized CG-R, FACT carbon, single bolt, 27.2mm