2026 Specialized Tarmac SL8 Pro Di2 Road Bike

£7,249.00

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The 2026 Specialized Tarmac SL8 Pro Di2 Road Bike is the fastest race bike out there thanks to a combination of aerodynamics, lightweight, and ride quality previously thought impossible.

Aerodynamics or lightweight alone don’t win races - speed is what matters. Delivering that speed requires creating an uncompromising combination of aerodynamics, lightweight, stiffness, and compliance. Through race simulations using real world data Specialized's Ride Science team knows the Tarmac SL8 is the fastest race bike ever made on the routes that matter - 16.6 seconds faster over 40km, 128 seconds faster over Milan San Remo, 20 seconds faster over the legendary Tourmalet climb.

The Tarmac SL8 Pro delivers exceptional performance with a full Shimano Ultegra 8100 series Di2 groupset with power meter, Roval Rapide CL III tubeless-ready wheelset, and a Roval Rapide cockpit. You’re ready to race out of the box.

This bike is perfect for

Road riders who want the fastest bike on the market for racing, KOMs or your local chaingang. Simply the fastest road bike available so you can't blame your kit on your next ride or race.

Key Features

  • Specialized have put aero where it matters - the leading edge - not just where it looks good. Clean air is optimized for maximum advantage with the Tarmac’s new nose cone - the Speed Sniffer.
  • Tarmac SL8 took learnings from Aethos to be easily built at the UCI minimum with a full aero set up. The team delivered a mind bending, scale tickling 685 gram frame - 15% lighter than the Tarmac SL7.
  • With massive gains in stiffness-to-weight - an improvement of 33% over the SL7 - the Tarmac SL8 takes legendary handling, aggressive responsiveness and World Championship proven geometry to the next level.

Price Match at Cycles uk

We understand that price is important, so we regularly price-check our competitors to make sure we have the best offers available. We recognise that we will not always be the cheapest, so if you see the same product cheaper from any of our competitors then please get in touch via the form below and we will do our best to match any reasonable advertised price.


Who are Specialized?

Specialized is one of the best-known quality bike brands in the world. Started by a group of riders in 1974. A fact which has guided their decision making ever since.

" Made for riders, by riders."

They strove to make the best quality tires when quality tyres weren't around. When people wanted to ride cruisers in the dirt, they made the first production mountain bike. When roadies wanted to go faster, Specialized doubled down on carbon and built their own wind tunnel.

Bikes like the Allez, Rockhopper and Stumpjumper have developed followings and reputations of their own. Specialized has a reputation for making high-end, high-quality bikes. Specialized bikes always look great with high-quality paint and sensible sizing hel0s you get the right bike each time. If you buy a Specialized bike you can be guaranteed it will do what it is supposed to and will last.

Find our more about Specialized bikes

Frame Tarmac SL8 FACT 10r Carbon, Rider First Engineered, Win Tunnel Engineered, Clean Routing, Threaded BB, 12x142mm thru-axle, flat-mount disc
Fork FACT 10r Carbon, 12x100mm thru-axle, flat-mount disc
Crankset Shimano Ultegra R81000 52/36t
Chain Shimano XT M8100, 12-speed w/ quick link
Cassette Shimano Ultegra, 12-speed, 11-30t
Shift Levers Shimano Ultegra Di2 R8170, hydraulic disc
Front Derailleur Shimano Ultegra Di2 R8150, braze-on
Rear Derailleur Shimano Ultegra Di2 R8150, 12-speed
Front Brake Shimano Ultegra BR-R8170 hydraulic disc
Rear Brake Shimano Ultegra BR-R8170 hydraulic disc
Front Wheel Roval Rapide CL III, Tubeless, 21mm internal width carbon rim, 51mm depth, Win Tunnel Engineered, DT350 hub, 18h, DT Swiss Competition Race Straight Pull Spokes
Rear Wheel Roval Rapide CL III, Tubeless, 21mm internal width carbon rim, 48.5mm depth, Win Tunnel Engineered, DT350 hub, 24h, DT Swiss Competition Race Straight Pull Spokes
Front Tyre S-Works Turbo TLR Race Tire, 700x28c
Rear Tyre S-Works Turbo TLR Race Tire, 700x28c
Handlebars Roval Rapide Cockpit, Integrated Bar/Stem
Saddle Power Pro Mirror, Hollow Ti rails
Seat Post S-Works Tarmac SL8 Carbon seat post, FACT Carbon, 15mm offset
Seat Binder Tarmac integrated wedge
Inner Tubes Standard 700 x 20-28 80mm PV
Bottom Bracket Shimano Threaded BSA BB
Headset Stem headset spacers kit for SL7 stem & Roval Rapide cockpit use
Tape Supacaz Super Sticky Kush
Colours GLOSS DOLOMITE METALLIC / NEBULA METALLIC, GLOSS RED SKY / CHROME
Sizes 49, 52, 54, 56, 58, 61
Brand Specialized
Model Year 2026
Barcodes 196625242588, 196625242755, 196625242991, 196625243028, 196625243059, 196625243103, 196625243646, 196625243677, 196625243745, 196625243967, 196625244278
SKUs / Part Numbers 94926-1249, 94926-1252, 94926-1254, 94926-1256, 94926-1258, 94926-1349, 94926-1352, 94926-1354, 94926-1356, 94926-1358, 94926-1361

Please note: Manufacturers can sometimes change the specification of the products from time to time.

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