S-Works Tarmac SL4 Di2
Part No.  

S-Works Tarmac SL4 Di2

Part No.  39912
load-spinner
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, plus super lightShimano Dura Ace Di2 components and Roval Rapide CLX 40 wheels: no wonder it's the go-to bike for pros on Saxo Bank-Tinkoff Bank and Astana.
  • S-Works FACT carbon seatpost and cradle is super light and stiff for optimal power transfer, paired with ultra-light and stiff BG Toupe Pro saddle with carbon rails
  • SL4 FACT IS 11r carbon frame has our highest stiffness-to-weight ratio ever, with tapered head tube, carbon OSBB, and internal cable routing for race day performance
  • Full monocoque FACT carbon fork with a tapered carbon steerer is super light with great torsional rigidity for high-speed handling
  • Lightweight, adjustable, carbon-enhanced S-Works stem optimizes efficiency and comfort and looks stylish while doing it
  • Specialized S-Works FACT carbon crankset, with new, state-of-the-art Shimano Dura-Ace Di2 electronic 11-speed shifters ultralight, smooth performance
  • Pro-quality, long-lasting and lightweight CeramicSpeed bottom bracket with ceramic bearings for reduced friction
  • S-Works Turbo 220 TPI tire offers a fast, light, and touhg tire. Extremely low rolling resistance and superior cornering traction lets you climb easily, desend faster, and corner harder.

Technical Specifications

FRAMESET
SEAT BINDER Forged bolt and nut, 32.6mm
HEADSET 1-1/8"" upper and 1-3/8"" lower Cr-Mo cartridge bearings, w/ 8mm carbon cone spacer and 20mm of carbon spacers
FORK S-Works Tarmac, FACT carbon, full monocoque, OS race for 1-3/8"" bearing
FRAME S-Works SL4 FACT 11r, FACT IS construction, tapered/shaped HT, compact race design, 1-3/8"" lower HS bearing, carbon OSBB
WHEELS
REAR WHEEL Zipp 404 Firecrest
INNER TUBES Turbo Ultralight, 60mm, presta
FRONT TIRE S-Works Turbo, BlackBelt, 220TPI, aramid bead, 700x23c
REAR TIRE S-Works Turbo, BlackBelt, 220TPI, aramid bead, 700x23c
FRONT WHEEL Zipp 404 Firecrest
DRIVETRAIN
BOTTOM BRACKET Ceramic Speed, OSBB integrated ceramic, 30x42x7mm
CHAIN New Shimano Dura-Ace 11-speed
CRANKSET S-Works FACT carbon
CASSETTE Shimano Dura Ace, 11-speed, 11-26
SHIFT LEVERS New Shimano Dura-Ace Di2
FRONT DERAILLEUR New Shimano Dura-Ace Di2 11-speed
CHAINRINGS 53/39
REAR DERAILLEUR New Shimano Dura-Ace Di2 11-speed
COCKPIT
SADDLE Body Geometry Toupé Pro, carbon rails, 143mm
TAPE Specialized S-Works wrap
SEATPOST S-Works SL, FACT carbon, 27.2mm
HANDLEBARS S-Works Tarmac carbon, short drop
STEM New S-Works SL stem, 7050 3D-forged, CNC head bolts
BRAKES
BRAKE LEVERS New Shimano Dura-Ace STI
FRONT BRAKE New Shimano Dura-Ace
REAR BRAKE New Shimano Dura-Ace
ACCESSORIES
PEDALS Nylon flat test ride, loose ball, w/ reflectors

Geometry

Geometry Chart

- Geometry

 
Stem Length 75mm 90mm 100mm 100mm 110mm 110mm
Crank Length 170mm 170mm 172.5mm 172.5mm 175mm 175mm
Handle-Bar Width 400mm 420mm 420mm 420mm 440mm 440mm
Reach 386mm 386mm 387mm 395mm 402mm 408mm
Wheelbase 970mm 970mm 978mm 986mm 1003mm 1013mm
Stack 504mm 526mm 543mm 564mm 591mm 612mm
Seat-Tube Length, B-B Center to Top 460mm 490mm 510mm 530mm 550mm 580mm
Head-Tube Length 100mm 120mm 140mm 160mm 190mm 210mm
Top-Tube Length, Horizontal 518mm 537mm 548mm 565mm 582mm 600mm
Front-Center 576mm 576mm 583mm 591mm 605mm 612mm
Head-Tube Angle 72.25° 73° 73° 73.5° 73.5° 74°
Fork Rake 45mm 45mm 45mm 43mm 43mm 43mm
Trail 62mm 57mm 57mm 56mm 56mm 53mm
Stand-Over Height 730mm 755mm 775mm 795mm 826mm 850mm
Chain-Stay Length 405mm 405mm 405mm 405mm 407mm 410mm
Seat-Tube Angle 75.5° 74° 73.5° 73.25° 73° 72.5°
B-B Drop 71.5mm 71.5mm 69mm 69mm 67.5mm 67.5mm
Seat-Post Length 300mm 300mm 350mm 350mm 350mm 350mm

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