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S-Works Tarmac SL8 SRAM Red AXS Road Bike – The World’s Fastest Race Bike
S-Works Tarmac SL8 SRAM Red AXS Road Bike – The World’s Fastest Race Bike
Specialized

2026 S-Works Tarmac SL8 SRAM Red AXS Road Bike - Gloss Red Sky

£11,499.00
Pre-Order

With Pre-Order, you can purchase the latest items added to our store in advance of them arriving with us.

Your Pre-Order is prioritised (at no additional charge); meaning that as soon as the product arrives with us, we can wrap it straight back up; ready for collection via Click & Collect or despatch to you — it often never even hits the stock room shelves!

Pre-Launch

With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined

2026 S-Works Tarmac SL8 SRAM Red AXS Road Bike - Gloss Red Sky

Season:2026

Brand:Specialized

Code:42215545460167

The S-Works Tarmac SL8 SRAM Red AXS Road Bike redefines speed with a revolutionary blend of aerodynamics, lightweight design, stiffness, and ride quality. After two decades and eight generations of development, the Tarmac SL8 isn’t just the fastest Tarmac ever built, it’s the fastest road race bike in the world. Equipped with the cutting-edge SRAM RED AXS groupset with power meter and Roval Rapide CLX III wheels, this bike delivers unmatched performance for competitive cyclists chasing every second.


Aero Innovation – Speed Where It Matters

Specialized designed the Tarmac SL8 with aero-optimised leading edges for maximum drag reduction. The revolutionary Speed Sniffer nose cone creates a sharper, narrower head tube, improving airflow and delivering measurable time savings:

  • 16.6 seconds faster over 40km
  • 128 seconds faster at Milan–San Remo
  • 20 seconds faster on the Tourmalet climb

Utilising the latest UCI regulations, the Tarmac SL8 features the narrowest and most aerodynamic seatpost Specialized has ever produced, ensuring smoother airflow and maximum efficiency.


Lightweight Power – Built at the Limit

Taking inspiration from the Specialized Aethos, the Tarmac SL8’s 685g frame is 15% lighter than the Tarmac SL7 and engineered to meet the UCI’s minimum weight limit without compromise. With 33% better stiffness-to-weight ratio than its predecessor, it offers explosive acceleration, razor-sharp handling, and unmatched climbing efficiency.

Comfort Meets Control – Ride Quality Perfected

The Tarmac SL8 doesn’t just go fast – it rides like a dream. With 6% more compliance than the SL7, it smooths rough roads while maintaining race-ready stiffness and precision. Thanks to Rider-First Engineering, every size delivers the same pro-level handling and comfort. Paired with 32mm tyre clearance, this race bike offers versatility for modern road racing and endurance events.

S-Works Tarmac SL8 carbon frame – the fastest race frame ever created

  • Complete SRAM RED AXS groupset with power meter – the lightest wireless electronic drivetrain available
  • Roval Rapide CLX III tubeless-ready wheels – aerodynamic, lightweight, and World Tour proven
  • Roval Rapide cockpit – weight-saving, integrated performance
  • Aero-optimised Speed Sniffer nose cone and narrow seatpost for reduced drag
  • Rider-First Engineered geometry for balanced stiffness, responsiveness, and compliance
  • Weight: 685g frame (15% lighter than SL7)

SRAM RED AXS is the world’s lightest and most advanced wireless electronic road bike groupset, delivering precise shifting, exceptional power transfer, and unmatched performance for competitive cyclists. Featuring a fully customizable 12-speed drivetrain, integrated power meter options, and smooth, accurate gear changes, SRAM RED AXS is the ultimate choice for riders seeking cutting-edge technology, lightweight design, and proven reliability in racing and high-performance road cycling.

The S-Works Tarmac SL8 SRAM Red AXS is the ultimate road racing bike, delivering unmatched speed, precise control, and rider-focused comfort. For serious racers and dedicated cyclists, this bike sets the new benchmark for what’s possible on two wheels.

Technical Information
  • Frame
    S-Works Tarmac SL8 FACT 12r Carbon, Rider First Engineered™, Win Tunnel Engineered, Clean Routing, Threaded BB, 12x142mm thru-axle, flat-mount disc
  • Fork
    S-Works FACT 12r Carbon, 12x100mm thru-axle, flat-mount disc
  • Front Brake
    SRAM RED AXS, hydraulic disc
  • Rear Brake
    SRAM RED E1, hydraulic disc
  • Bottom Bracket
    SRAM DUB BSA 68
  • Chain
    SRAM RED 12-speed
  • Crankset
    SRAM RED AXS Power Meter 48/35t
  • Front Derailleur
    SRAM RED AXS, braze-on
  • Rear Derailleur
    SRAM RED AXS E1
  • Shift Levers
    SRAM RED AXS, hydraulic disc
  • Cassette
    SRAM RED XG-1290, 12-speed, 10-33t
  • Front Wheel
    Roval Rapide CLX III, Tubeless, 21mm internal width carbon rim, 51mm depth, Win Tunnel Engineered, Roval LF18-F hub, 18h, ARRIS MTO-255 Straight Pull Spokes (Carbon Fiber reinforced BioNylon, Ti end fittings)
  • Rear Wheel
    Roval Rapide CLX III, Tubeless, 21mm internal width carbon rim, 48.5mm depth, Win Tunnel Engineered, Roval LF19-R hub, 24h, ARRIS MTO-255 Straight Pull Spokes (Carbon Fiber reinforced BioNylon, Ti end fittings)
  • Front Tyre
    S-Works Turbo TLR Race Tire, 700x28c
  • Rear Tyre
    S-Works Turbo TLR Race Tire, 700x28c
  • Inner Tubes
    Standard 80mm PV
  • Handlebars
    Roval Rapide Cockpit, Integrated Bar/Stem
  • Saddle
    S-Works Power with Mirror
  • Seatpost
    S-Works Tarmac SL8 Carbon seat post, FACT Carbon, 15mm offset
  • Tape
    Supacaz Super Sticky Kush
  • Seat Binder
    Tarmac integrated wedge
  • Weight
    6.62 kg (14 lb, 9.5 oz)
  • Weight Size
    56cm
As with any product, specification is subject to change without prior notification. You are advised to confirm current specification before buying. Please note that this bike does not come with pedals.
Sizing Information
Size in ft4'8" - 5'1"5'1" - 5'4"5'4" - 5'7"5'7" - 5'9"5'9" - 5'11"5'11" - 6'2"6'2" - 6'5"
Size in cm142 - 155cm155 - 163cm163 - 170cm170 - 175cm175 - 180cm180 - 188cm188 - 196cm
Bike Size44495254565861

GEOMETRY

Size44cm49cm52cm54cm56cm58cm61cm
BB Drop74mm74mm74mm72mm72mm72mm72mm
BB Height266mm266mm266mm268mm268mm268mm268mm
Bike Standover Height723mm735mm746mm768mm786mm808mm834mm
Chainstay Length410mm410mm410mm410mm410mm410mm410mm
Fork Length, Full370mm370mm370mm370mm370mm370mm370mm
Fork Rake/Offset47mm47mm47mm44mm44mm44mm44mm
Front Centre572mm574mm577mm579mm592mm606mm613mm
Head Tube Angle70.5°71.75°72.5°73°73.5°73.5°74°
Head Tube Length99mm109mm120mm137mm157mm184mm204mm
Frame Reach366mm375mm380mm384mm395mm402mm408mm
Seat Tube Angle75.5°75.5°74°74°73.5°73.5°73°
Seat Tube Length433mm445mm456mm473mm494mm515mm545mm
Frame Stack501mm514mm527mm544mm565mm591mm612mm
Top Tube Length, Horizontal496mm509mm531mm541mm563mm577mm595mm
Trail71mm63mm58mm58mm55mm55mm52mm
Wheelbase970mm973mm975mm978mm991mm1006mm1013mm
Stack to Stem509mm522mm535mm552mm573mm599mm620mm
Reach to Stem363mm372mm377mm381mm393mm400mm406mm
Crank Length165mm165mm170mm172.5mm172.5mm175mm175mm
Handlebar Width380mm380mm400mm400mm420mm420mm440mm
Stem Length75mm75mm90mm100mm100mm110mm110mm
Saddle Width155mm155mm155mm143mm143mm143mm143mm
Seatpost Length300mm300mm300mm380mm380mm380mm380mm
Professional Opinion

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