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S-Works Tarmac SL7 - Dura Ace Di2


2021 S-Works Tarmac SL7 - Dura Ace Di2

Why should you be forced to choose between aerodynamics and weight, between ride quality and speed? It's simple, you shouldn't. Enter the new Tarmac—climb on the lightest bike the UCI allows, then descend on the fastest. We've utilized our most advanced technologies, from our FreeFoil Shape Library to an all-new Rider-First Engineered™ frame, to deliver a race bike that is truly without compromise. The days of making sacrifices between "aero" and "lightweight" bikes are over—the all-new Tarmac is the fastest race bike, ever. One bike to rule them all.

To complement the world's fastest frame, only the best components will do—which is why you'll find the likes of Shimano's Dura-Ace Di2 group with power meter, and Roval's new CLX Rapide wheels, with their exceptional stability and aerodynamic prowess. The S-Works Tarmac is a top-level race machine, right out of the box.

Technical Specifications

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S-Works Tarmac SL7 FACT 12r Carbon, Rider First Engineered™, Win Tunnel Engineered, Clean Routing, Threaded BB, 12x142mm thru-axle, flat-mount disc



S-Works FACT Carbon, 12x100mm thru-axle, flat-mount disc



Body Geometry S-Works Power, carbon fiber rails, carbon fiber base

Seat Binder

Tarmac integrated wedge


Supacaz Super Sticky Kush


Tarmac integrated stem, 6-degree


S-Works Aerofly II


2021 S-Works Tarmac Carbon seat post, FACT Carbon, Di2 Compatible, 20mm offset


Front Brake

Shimano Dura-Ace R9170, hydraulic disc

Rear Brake

Shimano Dura-Ace R9170, hydraulic disc



Shimano Dura-Ace R9100, HollowTech 2, 11-speed, Dual-sided Power meter



Rear Derailleur

Shimano Dura-Ace Di2 R9150, 11-speed

Front Derailleur

Shimano Dura-Ace Di2 R9150, braze-on

Shift Levers

Shimano Dura-Ace Di2 Disc R9170

Bottom Bracket

Shimano Dura-Ace, BB-R9100


Shimano Dura-Ace, 11-speed


Shimano Dura-Ace R9100, 11-speed, 11-30t

Wheels & Tires

Front Wheel

Roval Rapide CLX, 21mm internal width carbon rim, 51mm depth, Win Tunnel Engineered, Roval AFD hub, 18h, DT Swiss Aerolite spokes

Inner Tubes

Turbo Ultralight, 60mm Presta valve

Rear Wheel

Roval Rapide CLX, 21mm internal width carbon rim, 60mm depth, Win Tunnel Engineered, Roval AFD hub, 24h, DT Swiss Aerolite spokes

Front Tire

Turbo Cotton, 320 TPI, 700x26mm

Rear Tire

Turbo Cotton, 320 TPI, 700x26mm

* Weights based on production painted frames as pictured. Actual weights will vary based on colourway, frame size, and component variation. Specifications are subject to change without notice.


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Crank Length165mm165mm170mm172.5mm172.5mm175mm175mm
Handlebar Width380mm380mm400mm420mm420mm440mm440mm
Stem Length70mm80mm90mm100mm100mm110mm110mm
Saddle Width155mm155mm155mm143mm143mm143mm143mm
Seatpost Length300mm300mm300mm380mm380mm380mm380mm
Head Tube Length93mm102mm113mm131mm151mm178mm198mm
Head Tube Angle70.5°71.75°72.5°73°73.5°73.5°74°
BB Height266mm266mm266mm268mm268mm268mm268mm
BB Drop74mm74mm74mm72mm72mm72mm72mm
Fork Length, Full366mm366mm366mm366mm366mm366mm366mm
Fork Rake/Offset47mm47mm47mm44mm44mm44mm44mm
Front Center572mm574mm577mm579mm592mm606mm613mm
Chainstay Length410mm410mm410mm410mm410mm410mm410mm
Top Tube Length, Horizontal496mm509mm531mm541mm563mm577mm595mm
Bike Standover Height723mm735mm746mm768mm786mm808mm834mm
Seat Tube Length435mm447mm458mm475mm496mm517mm547mm
Seat Tube Angle75.5°75.5°74°74°73.5°73.5°73°

Rider Reviews

  • 5
  • 2 Reviews


Just took delivery of my new S-Works Tarmac SL7, Dura Ace Di2 this past weekend. Coming from an SL6 S-Works Tarmac I couldn't image too much of an improvement. After a 100 mile ride, it is definitely ""One Bike to Rule Them All"". It is stiffer, but in a good way. It seems to glide over imperfections in the road without so much as rattle. Power delivery is smooth and deliberate. The new Aerofly bars with integrated cabling are a work of art and very comfortable to hold. The textured center section allows for a secure grip even with sweaty hands. You can visually see the differences in the frame and fork from the older SL6 and all of its aerodynamic improvements. Specialized engineers left nothing untouched making it blade in the wind. I particularly like the paint scheme and the depth of the glossy finish. GREAT JOB SPECIALIZED

Virgil S.