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Specialized Tarmac SL8 Road Bike Frameset – The World’s Fastest Race Bike
Specialized Tarmac SL8 Road Bike Frameset – The World’s Fastest Race Bike
Specialized

2026 Specialized Tarmac SL8 Road Bike Frameset - Gloss Silver Dust/Shadow

£3,499.00
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 Specialized Tarmac SL8 Road Bike Frameset - Gloss Silver Dust/Shadow

Season:2026

Brand:Specialized

Code:42215525460159

Introducing the Specialized Tarmac SL8 Road Bike Frameset, the latest evolution of the world’s most successful race bike. After eight generations and over 20 years of development, the Tarmac SL8 is lighter, faster, and more aerodynamic than ever before, delivering an unmatched blend of speed, stiffness, and ride quality. Designed with pro-level performance and World Tour racing in mind, this carbon road bike frameset is the ultimate starting point for your dream race build.

Whether you’re attacking climbs, sprinting for the finish, or chasing personal bests, the Tarmac SL8 frameset is built to be the fastest road bike in the world.


S-Works Tarmac SL8: One Bike to Rule Them All

The engineering obsessed Germans at Tour Magazine declared the S-Works Tarmac SL8, ‘the best road bike in the world’. Reaching the previously unimaginable rating of ’1.3’ - the highest Tour score ever – S-Works Tarmac SL8 beats every competitor. Or, as these serious, data driven journalists put it, ‘No other racing bike functions better as a complete package.’


  • Fastest Race Bike Ever Built: Proven to save 16.6 seconds over 40km, 128 seconds at Milan-San Remo, and 20 seconds on the Tourmalet climb compared to previous generations.
  • Aero Where It Matters: Featuring the all-new Speed Sniffer nose cone and the most aerodynamic seatpost ever designed by Specialized. Cleaner airflow, reduced drag, maximum advantage.
  • Ultra-Lightweight Carbon Frame: Weighing just 685g, the SL8 is 15% lighter than the SL7 and one of the lightest aero road bike frames on the World Tour.
  • Stiffness-to-Weight Gains: With a 33% increase in stiffness-to-weight ratio over the SL7, the Tarmac SL8 delivers explosive power transfer and razor-sharp handling.
  • Next-Level Ride Quality: Rider-First Engineering ensures every size delivers the same race-winning performance, while improved compliance provides 6% more comfort over rough roads.
  • World Tour Proven Geometry: Aggressive handling, precise steering, and up to 32mm tyre clearance for versatility across race conditions.
  • Race-Ready Integration: Equipped with a 68mm threaded bottom bracket, flat-mount disc brakes, and seamless cable routing for hassle-free performance.

The Tarmac SL8 2026 isn’t just another carbon road bike, it’s the pinnacle of speed and efficiency, combining the aerodynamic performance of the Venge, the lightweight innovation of the Aethos, and the race-winning geometry of the Tarmac SL7.

This is the frameset of choice for serious racers, competitive cyclists, and riders who demand the absolute best in aerodynamics, stiffness, and comfort. If you’re ready to build your dream race bike, the Specialized Tarmac SL8 Frameset is the fastest place to start.

The Specialized Tarmac SL8 Road Bike Frameset is the fastest aero road bike ever, with ultralight carbon construction, aerodynamic Speed Sniffer nose cone, Rider-First Engineering, and World Tour-proven geometry. Build your ultimate race bike today.


Contact us to discuss building your dream Specialized Tarmac SL8 Road Bike to give you the freedom to choose a spec that suits you and your rides.

Technical Information
  • 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
  • SeatPost
    S-Works Tarmac SL8 Carbon seat post, FACT Carbon, 15mm offset
  • Seat Binder
    Tarmac Integrated Wedge
  • Stem
    Tarmac integrated stem, 6-degree
  • SWAT
    Rapide Handle bar cable covers
  • Weight
    1.69 kg (3 lb, 11.6 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 frame 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
Seatpost Length300mm300mm300mm380mm380mm380mm380mm
Professional Opinion
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