2012 S-Works Tarmac SL4 Di2

Whether it's winning the Tour de France or a local crit, the next generation of Tarmac— the SL4—was born to race, with head-snapping acceleration and razor-sharp handling. The S-Works model features our lightest and stiffest frame ever, fast, precise Shimano Di2 electronic components, and Roval Fusée SLX wheels: no wonder the Tarmac is the go-to chassis for pros on multiple world-class teams.

• Brand new SL4 FACT IS 11r carbon frame has our highest stiffness-to-weight ratio ever, with tapered head tube, carbon OSBB, and internal cable routing

• Full carbon monocoque fork with tapered steerer offers the ultimate in precision handling and acceleration

• Roval Rapide SL 45 aero wheels for the fastest race performance on hills, sprints, or breakaways

• Specialized S-Works FACT carbon crankset with OSBB, removable carbon spider, and ceramic bearings, plus state-of-the-art Shimano Dura-Ace Di2 electronic 10-speed shifters ultralight, smooth performance

• Body Geometry Romin Pro saddle with carbon rails is built for racing fast with a contoured profile that keeps the rider in an optimal power-transfer position

• S-Works FACT carbon seatpost and cradle is super light and stiff for optimal power transfer, fully adjustable, and accommodates carbon-rails

• Adjustable 4-position oversized alloy stem with carbon-clip front cone plus 31.8mm bar clamp for strength and versatile positioning