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2025 Tarmac SL8 Expert - Shimano Ultegra Di2

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Regular price R 120,000.00
Regular price Sale price R 120,000.00
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2025 Tarmac SL8 Expert - Shimano Ultegra Di2

SKU Size Color STOCK
94925-3149 49 White / Fine Metallic Black Sold Out
94925-3152 52 White / Fine Metallic Black Sold Out
94925-3154 54 White / Fine Metallic Black 1
94925-3156 56 White / Fine Metallic Black 1
94925-3158 58 White / Fine Metallic Black 1
94925-3249 49 Deep Lake Metallic / Green Pearl Sold Out
94925-3252 52 Deep Lake Metallic / Green Pearl Sold Out
94925-3254 54 Deep Lake Metallic / Green Pearl 1
94925-3256 56 Deep Lake Metallic / Green Pearl Sold Out
94925-3258 58 Deep Lake Metallic / Green Pearl Sold Out
94925-3261 61 Deep Lake Metallic / Green Pearl Sold Out
Color

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Nothing is faster than the Tarmac SL8 thanks to a combination of aerodynamics, lightweight, and ride quality previously thought impossible. After eight generations and over two decades of development, it’s more than the fastest Tarmac ever - it’s...

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2025 Tarmac SL8 Expert - Shimano Ultegra Di2

Nothing is faster than the Tarmac SL8 thanks to a combination of aerodynamics, lightweight, and ride quality previously thought impossible. After eight generations and over two decades of development, it’s more than the fastest Tarmac ever - it’s the world’s fastest race bike. Your legs up for it?

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 our 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.

  • 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.
  • The Tarmac SL8 Expert Di2 delivers exceptional performance with a full Ultegra Di2 groupset, C38 carbon tubeless ready wheelset, and an SL7 stem with Specialized Expert Shallow Drop alloy handlebars makes for an accessible performance-packed bike.

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TECHNICAL SPECIFICATIONS

FRAMESET

Frame

Tarmac SL8 FACT 10r Carbon, Rider First Engineered™, Win Tunnel Engineered, Clean Routing, Threaded BB, 12x142mm thru-axle, flat-mount disc

SUSPENSION

Fork

FACT 10r Carbon, 12x100mm thru-axle, flat-mount disc

COCKPIT

Handlebars

Specialized Expert Shallow Drop, alloy, 125mm drop x 75mm reach

Stem

Tarmac integrated stem, 6-degree

Tape

Supacaz Super Sticky Kush

Saddle

Body Geometry Power Expert

SeatPost

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

Seat Binder

Tarmac integrated wedge

BRAKES

Front Brake

Shimano Ultegra Di2 R8170, hydraulic disc

Rear Brake

Shimano Ultegra Di2 R8170, hydraulic disc

DRIVETRAIN

Shift Levers

Shimano Ultegra R8170, hydraulic disc

Front Derailleur

Shimano Ultegra R8150, braze-on

Rear Derailleur

Shimano Ultegra Di2 R8150, 12-speed

Cassette

Shimano Ultegra, 12-speed, 11-30t

Crankset

Shimano Ultegra R8100

Chainrings

52/36T

Bottom Bracket

Shimano Threaded BSA BB

Chain

Shimano Ultegra, 12-speed

WHEELS & TIRES

Front Wheel

Roval C38, 21mm internal width carbon rim

Rear Wheel

Roval C38, 21mm internal width carbon rim

Front Tire

S-Works Turbo, folding bead, 700x26mm

Rear Tire

S-Works Turbo, folding bead, 700x26mm

Inner Tubes

Turbo Ultralight, 48mm Presta valve

* Weights based on production painted frames as pictured. Actual weights will vary based on colorway, frame size, and component variation. Specifications are subject to change without notice.

GEOMETRY

44 49 52 54 56 58 61
Crank Length 165mm 165mm 170mm 172.5mm 172.5mm 175mm 175mm
Handlebar Width 380mm 380mm 400mm 420mm 420mm 440mm 440mm
Stem Length 70mm 80mm 90mm 100mm 100mm 110mm 110mm
Saddle Width 155mm 155mm 155mm 143mm 143mm 143mm 143mm
Seatpost Length 300mm 300mm 300mm 380mm 380mm 380mm 380mm
Frame Stack 501mm 514mm 527mm 544mm 565mm 591mm 612mm
Frame Reach 366mm 375mm 380mm 384mm 395mm 402mm 408mm
Stack to Stem 509mm 522mm 535mm 552mm 573mm 599mm 620mm
Reach to Stem 363mm 372mm 377mm 381mm 393mm 400mm 406mm
Head Tube Length 99mm 109mm 120mm 137mm 157mm 184mm 204mm
Head Tube Angle 70.5° 71.75° 72.5° 73° 73.5° 73.5° 74°
BB Height 266mm 266mm 266mm 268mm 268mm 268mm 268mm
BB Drop 74mm 74mm 74mm 72mm 72mm 72mm 72mm
Trail 71mm 63mm 58mm 58mm 55mm 55mm 52mm
Fork Length, Full 370mm 370mm 370mm 370mm 370mm 370mm 370mm
Fork Rake/Offset 47mm 47mm 47mm 44mm 44mm 44mm 44mm
Front Center 572mm 574mm 577mm 579mm 592mm 606mm 613mm
Chainstay Length 410mm 410mm 410mm 410mm 410mm 410mm 410mm
Wheelbase 970mm 973mm 975mm 978mm 991mm 1006mm 1013mm
Top Tube Length, Horizontal 496mm 509mm 531mm 541mm 563mm 577mm 595mm
Bike Standover Height 723mm 735mm 746mm 768mm 786mm 808mm 834mm
Seat Tube Length 433mm 445mm 456mm 473mm 494mm 515mm 545mm
Seat Tube Angle 75.5° 75.5° 74° 74° 73.5° 73.5° 73°

SIZE CHART

Size Chart