The smoother faster Roubaix SL3 features a super light & stiff FACT 10r carbon frame with our Cobra tapered head tube In-Zertz vibration dampers & full internal cable routing&8212;the same frame construction that won the grueling Paris-Roubaix race. The Expert features Shimano Ultegra compact drivetrain & our new DT-Axis 3.0 wheels for lower weight & higher performance.> FACT IS 10r carbon SL3 frame with Cobra tapered head tube is uber-light with incredible torsional stiffness & Zertz seatstay inserts for the fastest most compliant endurance bike available > Ultralight FACT carbon monocoque fork with vibration-damping Zertz inserts is stiff responsive & durable > Race-ready DT Axis 3.0 wheels are fast & light but still durable enough for high mileage training > Adjustable four-position oversized alloy stem with 31.8mm bar clamp for strength & versatile positioning > Specialized Comp shallow drop alloy bar for serious performance & ergonomic position > Minimalist high-performance BG Toupe Plus Comp saddle is ultralight with a flat profile & generous padding for long rides & explosive efforts > FACT carbon Comp seatpost helps absorb road vibrations but remains stiff & efficient Technical Specifications FRAME Specialized FACT 10r carbon FACT IS construction Cobra 1-1/8&34; to 1-3/8&34; head tube compact race design w/ Zertz inserts internal cable routing threaded BB REAR SHOCK FORK Specialized FACT carbon full monocoque Zertz inserts HEADSET 1-1/8&34; upper & 1-3/8&34; lower Cr-Mo cartridge bearings w/ 20mm carbon cone spacer & 20mm of carbon spacers STEM New Comp Set 6061 alloy cone head bolt 12-degree 4-degree shim 31.8mm HANDLEBARS Specialized Comp alloy shallow bend TAPE Specialized Roubaix Gel wrap w/ neoprene pads FRONT BRAKE Shimano Ultegra REAR BRAKE Shimano Ultegra BRAKE LEVERS FRONT DERAILLEUR Shimano Ultegra REAR DERAILLEUR Shimano Ultegra SHIFT LEVERS Shimano Ultegra STI flight deck compatible 10-speed CASSETTE Shimano Ultegra 10-speed 11-28t CHAIN Shimano 105 CRANKSET Shimano Ultegra compact CHAINRINGS 50/34 BOTTOM BRACKET PEDALS Nylon flat test ride loose ball w/ reflectors FRONT WHEEL DT Axis 3.0 REAR WHEEL DT Axis 3.0 RIMS FRONT HUB REAR HUB SPOKES FRONT TIRE Specialized Roubaix Pro w/ Black Belt protection 120 TPI aramid bead 700x 25c REAR TIRE Specialized Roubaix Pro w/ Black Belt protection 120 TPI aramid bead 700x 25c INNER TUBES Lightweight presta SADDLE Body Geometry Toupe Plus Comp hollow Cr-Mo rails SEATPOST Specialized Comp carbon 27.2mm SEAT BINDER Forged alloy 32.6mm NOTES Carbon chainstay protector derailleur hanger clear coat owners manual Specifications subject to change without notice.