Specialized S-Works Tarmac SL7 Di2

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Built with the brilliant Roval Rapide CLX carbon wheelset, Specialized's Aerofly II bars and a Dura-Ace Di2 gruppo complete with dual-sided power meter. FACT 12r carbon.

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Colour: Flo Red/Red Tint/Tarmac Black/White


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At a Glance:

Ultralight and aero, with pin-sharp handling. This race-ready machine takes the Tarmac to a new level.

  • Light weight (S-Works frameset just 800g)
  • Aero optimised (45 seconds faster over 40km compared to Tarmac SL6)
  • Integrated cockpit (Aerofly II bars and Tarmac stem)
  • Fit and handling geometry same as previous generation (and Venge)
  • 26mm tyres on stock builds, will accept up to 32mm
  • Threaded BB!
  • Ready for electronic and mechanical shifting
  • Disc brake only
  • S-Works available as frameset for custom builds

This Build in Detail:

  • Frame: S-Works Tarmac SL7 FACT 12r Carbon, Rider First Engineered, Win Tunnel Engineered, Clean Routing, Threaded BB, 12x142mm thru-axle, flat-mount disc
  • Forks: S-Works FACT Carbon, 12x100mm thru-axle, flat-mount disc
  • Bars: S-Works Aerofly II
  • Stem: Tarmac integrated stem, 6-degree
  • Bar Tape: Supacaz Super Sticky Kush
  • Saddle: Body Geometry S-Works Power, carbon fibre rails, carbon fibre base
  • Seatpost: 2021 S-Works Tarmac Carbon seat post, FACT Carbon, Di2 Compatible, 20mm offset
  • Brakes: Shimano Dura-Ace R9170, hydraulic disc
  • Shifters: Shimano Dura-Ace Di2 Disc R9170
  • Front Mech: Shimano Dura-Ace Di2 R9150, braze-on
  • Rear Mech: Shimano Dura-Ace Di2 R9150, 11-speed
  • Cassette: Shimano Dura-Ace R9100, 11-speed, 11-30t
  • Crankset: Shimano Dura-Ace R9100, HollowTech 2, 11-speed, Dual-sided Power meter - 52/36T
  • BB: Shimano Dura-Ace, BB-R9100 Threaded
  • Chain: Shimano Dura-Ace, 11-speed
  • Front Wheel: Roval Rapide CLX, 21mm internal width carbon rim, 51mm depth, Win Tunnel Engineered, Roval AFD hub, 18h, DT Swiss Aerolite spokes
  • Rear Wheel: Roval Rapide CLX, 21mm internal width carbon rim, 60mm depth, Win Tunnel Engineered, Roval AFD hub, 24h, DT Swiss Aerolite spokes
  • Tyres: Turbo Cotton, 320 TPI, 700x26mm

We Say:

Convergence. That was one of the key themes of 2020. We've already seen gravel bikes becoming more aero, and now pure road bikes are starting to span more categories than ever before.

It used to be that if you wanted maximum aero performance you were likely to end up with a heavier, harsher-riding bike - thankfully that's no longer the case. And as race profiles have become more varied the Pros have been asking for bikes that can cope with a wider range of terrain. Needing to swap between a "climbing bike" an "aero bike" and an "endurance bike" is a hassle for the Pro rider, and an unrealistic choice for many of the rest of us.

Advances in carbon fibre materials and layup, and the newly possible tube shapes they enable, allow bikes to be stiffer and lighter without any loss of aerodynamic performance. Trek's recent Émonda demonstrated this, with their climbing model adding a welcome aero boost.

Specialized aren't going to be left behind, and the SL7 matches the ultralight Trek with a frame weight (painted) for the S-Works Tarmac of just 800g, via their latest FACT 12r carbon. That's proper lightweight climber territory, on a bike that's more aero than the previous generation Venge. It's that fast.

With their own wind tunnel and a wealth of expertise Specialized have unsurprisingly achieved some real aero magic here - to the extent that the new Tarmac SL7 effectively replaces the Venge in their lineup.

That's quite something - for a brand to step back and say 'actually one of our hugely popular bikes is no longer needed', particularly when they are so heavily involved in the Pro racing scene, shows that this is no marketing hype - the new Tarmac is exceptionally capable.

As an example of what's possible - this S-Works Di2 complete bike weighs in at 6.7kg out of the box (in Carbon Colour Run/Silver/Green) and that's without any extra weight weenie touches. With the right mix of components a custom build can be made to UCI-bothering standards.

Aero is of course where some of the biggest advances can be found, and the SL7 is no exception. The sleek frameset may be light, but Specialized say it's also a whopping 45 seconds faster than the SL6 over a 40km course, thanks to tube shapes taken from their Free Foil library and extensively tested in a multitude of combinations.

This ultimate speed build includes the Aerofly II bars (always a favourite) and the superlight Roval Rapide CLX wheelset.

There's a sleek new Tarmac stem, too, with neatly integrated cabling; available in -6 and -12 degrees, in a wide range of lengths from 70mm to 130mm (in 10mm increments).

The SL7 seatpost is available as standard with a 20mm offset, or as an inline version, and if you're running Di2 there's a dedicated space for the junction box within the seatpost.

So there's all the integration you'd expect on a modern road bike, and plenty of scope to find your perfect fit.

Video Review:

Leading cycling journalist David Arthur takes a look at the new Tarmac in this video overview from his Just Ride Bikes YouTube channel:

What they're saying:


"The Venge is Dead..."

"If you'd asked me a month ago which Specialized road bike I'd pick for myself, it would be the Venge, hands down. The Tarmac SL6 is a great bike, but never felt as fast to me. The Venge corners and sprints and descends just about as well as the SL6, but does it all a bit faster. And fast is fun. I get on it and I feel like a bike racer again.

Today, if asked to make that same choice, I'd pick an SL7. Because it really does feel like an SL6 and go like a Venge."

Read their full review

GranFondo Cycling

The new S-Works Tarmac SL7 is made for high performance, high speeds and maximum fun

Read their detailed first ride review here

Real-World Builds:

We have a lot of experience with the SL7 - below are just a few of our recent builds. See more in our Build Gallery.