Specialized
2025 S-Works Tarmac SL8 - Shimano Dura-Ace Di2
£9,999.00
£12,000.00
In Stock
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Product Details

Unlock your race-winning potential with the 2025 S-Works Tarmac SL8 - Shimano Dura-Ace Di2. A revolutionary combination of aerodynamics, lightweight, stiffness, and compliance creates the world's fastest race bike. The Specialized Ride Science team tested and proves it's unbeatable on real world routes. Victory is within reach.

Frameset

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

Brakes

Front Brake - Shimano Dura-Ace R9270, hydraulic disc 160mm
rotor

Rear Brake - Shimano Dura-Ace R9270, hydraulic disc 140mm
rotor

Drivetrain

Shift Levers - Shimano Dura-Ace R9270, hydraulic disc

Front Derailleur - Shimano Dura-Ace R9250, braze-on

Rear Derailleur - Shimano Dura-Ace R9250, 12-speed

Cassette - Shimano - Dura-Ace, 12-speed, 11-30t

Chain - Shimano Dura-Ace, 12-speed

Crankset - Shimano Dura-Ace R9200, HollowTech II, 12-speed
with 4iiii Precision 3+ Pro dual-sided powermeter

Chainrings - 52/36T

Bottom Bracket - Shimano Dura-Ace, BB-R9200

Wheels & Tyres

Front Tyre - S-Works Turbo Rapidair 2BR, 700x26mm

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

Rear Tyre - S-Works Turbo Rapidair 2BR, 700x26mm

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

Inner Tubes - Turbo Ultralight, 60mm Front, 80mm Rear,
Presta valve

Cockpit

Stem - Roval Rapide Cockpit, Integrated Bar/Stem

Handlebars - Roval Rapide Cockpit, Integrated Bar/Stem

Tape - Supacaz Super Sticky Kush

Saddle - Body Geometry S-Works Power with Mirror, carbon
fiber rails, carbon fiber base

SeatPost - S-Works Tarmac SL8 Carbon seat post, FACT Carbon,
15mm offset

Seat Binder - Tarmac integrated wedge

Weight

Weight - 6.62 kg (14 lb, 9.5 oz)

Weight Size - 56cm

  • AERO IN EVERYTHING: We’re putting aero where it matters - the leading edge - not just where it looks good. In the process we’ve created our most aerodynamic road bike ever. Yes, it’s more aero than the Venge. Clean air is optimized for maximum advantage with the Tarmac’s new nose cone - the Speed Sniffer. By moving the steer tube back - the tube that determines head tube width - the leading edge of the head tube can be much sharper, delivering a much lower drag shape. Utilizing new UCI rules, the Tarmac SL8 has the narrowest, most aero seat post we’ve ever made ensuring fast moving, dirty air around the legs can flow back more cleanly. Doesn’t victory smell sweet?
  • MINIMUM WEIGHT, MAXIMUM AERO: 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 and lighter than anything on else on the World Tour*. With the ability to make lightweight a top priority in the down tube, seat tube, and rear of the bike lessons from Aethos were applied. The frame’s shape carries load so efficiently that extra carbon stiffness layers become redundant. *Unless of course you count the time Kasper Asgreen raced our 585 gram Aethos frame during a Tour stage.
  • GOES LIKE HELL, RIDES LIKE HEAVEN: 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. The bike is stiffer at the pedals, more precise at the bars, and combines it with a compliant ride in the saddle that sets a new benchmark for race bike comfort. Thanks to our Rider-First Engineering, every rider, regardless of size, gets the same unprecedented ride quality and handling. In the saddle the Tarmac SL8 delivers 6% more compliance, floating over rough road with a supple feel unique in the high strung world of race bikes. Tarmac’s proven geometry and 32mm tire clearance are identical to the SL7, ensuring easy adaptation and the versatility to run higher volume tires when needed.
  • BEYOND GENDER: There can be more difference between two male cyclists than between a male and female. Gender alone doesn’t provide nearly enough data to specialize and that means creating male or female bikes is arbitrary and outdated. Every rider can get the next level advantage of Tarmac SL8. It’s time to go Beyond Gender.
  • S-Works Tarmac SL8 is spec’d with only the best components. A full Shimano Dura-Ace 9200 series Di2 groupset with dual-sided power meter, and a Roval Rapide CLX II tubeless-ready wheelset is the perfect complement to the world’s fastest frame. All S-Works Tarmac SL8 models ship with a Roval Rapide cockpit to save weight and for the fastest possible leading edge.
  • 'Apple Find My' technology is now integrated in all SW & Pro 4iiii power meters. Riders can now enjoy the peace of mind that comes with knowing the exact location of their bikes.
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