Sale!

Tarmac SL8 Expert Road Bike 2026

Original price was: 4 711,34 £.Current price is: 101,17 £.

Colour

Clear

SpecializedTarmac SL8 Expert Ultegra Di2 Road Bike 2026

The Specialized Tarmac SL8 is the fastest road bike in the world, bringing together aerodynamics, lightweight construction and exceptional ride quality in a way previously thought impossible. After eight generations and more than twenty years of refinement, it is built to deliver pure speed.

Specialized Aerodynamics

Aerodynamics are focused where they matter most, at the leading edge. The new Speed Sniffer nose cone sharpens the head tube for reduced drag, while a redesigned seatpost uses updated UCI rules to optimise airflow around the rider’s legs. The result is Specialized’s most aerodynamic road bike ever, even faster than the Venge.

Tarmac lightweight construction

Drawing inspiration from the Aethos, the Tarmac SL8 achieves a frame weight of just 685 g, making it 15 percent lighter than the Tarmac SL7 and the lightest aero frame on the World Tour. Its efficient load-bearing design reduces the need for excess carbon layers, ensuring strength while minimising weight.

Specialized Tarmac Ride quality

With a 33 percent improvement in stiffness-to-weight over the SL7, the Tarmac SL8 offers sharper handling and greater precision at the bars, while increased compliance ensures all-day comfort. Rider-First Engineering guarantees the same exceptional performance across all sizes, and 32 mm tyre clearance provides added versatility.

Designed to deliver equal performance benefits to every rider, the Tarmac SL8 moves beyond gender-specific bikes to create one platform that works for all.

The Tarmac SL8 Expert Di2 is equipped with a Shimano Ultegra Di2 groupset for smooth electronic shifting, C38 carbon tubeless ready wheels, and an SL7 stem paired with Specialized Expert Shallow Drop alloy handlebars, delivering uncompromising performance in an accessible build.

Technical Specification

Frame	Tarmac SL8 FACT 10r Carbon, Rider First Engineered, Win Tunnel Engineered, Clean Routing, threaded BB, 12×142 mm thru axle, flat mount disc
Fork	FACT 10r Carbon, 12×100 mm thru axle, flat mount disc
Front brake	Shimano Ultegra hydraulic
Rear brake	Shimano Ultegra hydraulic
Crankset	Shimano Ultegra R81000
Front derailleur	Shimano Ultegra R8150, braze-on
Rear derailleur	Shimano Ultegra Di2 R8150, 12 speed
Bottom bracket	Shimano threaded BSA
Chain	Shimano XT M8100, 12 speed with quick link
Cassette	Shimano Ultegra, 12 speed, 11-30T
Shift levers	Shimano Ultegra R8170, hydraulic disc
Front wheel	Roval C38, 21 mm internal width carbon rim
Rear wheel	Roval C38, 21 mm internal width carbon rim
Front tyre	S-Works Turbo, 120 TPI, folding bead, BlackBelt protection, 700×26 mm
Rear tyre	S-Works Turbo, 120 TPI, folding bead, BlackBelt protection, 700×26 mm
Inner tubes	Turbo Ultralight, 48 mm Presta valve
Saddle	Body Geometry Power Expert
Seatpost	S-Works Tarmac SL8 Carbon, FACT Carbon, 15 mm offset
Stem	Tarmac integrated stem, 6 degree
Seat binder	Tarmac integrated wedge
Handlebars	Specialized Expert Shallow Drop, alloy, 125 mm drop x 75 mm reach
Handlebar tape	Supacaz Super Sticky Kush
Headset	Stem headset spacers kit for SL7 stem and Roval Rapide cockpit use
Claimed Weight	7.18 kg (15 lb 13.3 oz)
Weight size	56

Built, Checked, Tuned and Tested

All our bikes are fully built, checked, tuned and tested by our Cytech qualified mechanics and then securely packaged, ready for delivery. All you have to do is add the pedals (if included), attach the handlebars to the stem and tighten them following the included detailed instructions or by watching our video and using the provided FREE tools. Visit our Bike Assembly page to see how you assemble your new bike once you receive it.

All bikes collected from our shop, are built, tested and ready to ride. For hassle-free home delivery and bike set-up from a qualified mechanic use our Premier Delivery Service.

Please note, occasionally, manufacturers may change the specification without notice. Bicycles do not come with pedals unless otherwise specified. Bikes ordered for delivery will not arrive with the pedals installed, please refer to the owners manual and pedal installation guides provided for guidance. We do not install accessories to bikes, including mudguards. Bikes ordered for delivery that have tubeless compatible tyres and rims will arrive with inner tubes installed or with tubeless valves installed, this will be brand dependent. Sealant is available to be purchased separately.

If you require any assistance please contact our Customer Care team.