Specialized Tarmac SL8 Comp Di2

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  • Shop the Specialized Tarmac SL8 Comp Di2, the world’s fastest race bike, combining advanced aerodynamics, lightweight design, and race-proven performance. Available at Fresh Air Kelowna.

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Specialized Tarmac SL8 Comp Di2 – World-Class Road Race Performance

Built to be the fastest.

The Tarmac SL8 Comp Di2 from Specialized represents the pinnacle of road racing performance, engineered through eight generations of development to deliver an uncompromising blend of aerodynamics, lightweight construction, stiffness, and compliance; optimized using real-world race simulations from Specialized’s Ride Science team, it is designed to maximize speed on the routes that matter most—whether that’s flat time trials, iconic classics, or demanding mountain climbs—making it a true race-ready platform equipped with precision electronic shifting for competitive advantage.

 

 

WHY YOU'LL LOVE IT

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 Comp Di2 delivers exceptional performance with a full 105 Di2 groupset, DT R470 tubeless ready wheelset, and an SL7 stem with Specialized Shallow Drop alloy handlebars makes for an accessible performance-packed bike.

SPECS

 

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

Stem: Tarmac integrated stem, 6-degree

Handlebars: Specialized Shallow Drop, 6061, 70x125mm, 31.8mm clamp

Tape: Supacaz Super Sticky Kush

Saddle: Body Geometry Power Sport, steel rails

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

Seat Binder: Tarmac integrated wedge

BRAKES

Front Brake: Shimano 105 Hydraulic Brake

Rear Brake: Shimano 105 Hydraulic Brake

DRIVETRAIN

Shift Levers: Shimano 105 Di2 R7170, 12-speed

Front Derailleur: Shimano 105 R7170, braze-on

Rear Derailleur: Shimano 105 Di2 7150

Cassette: Shimano 105, 12-speed, 11-34t

Chain: Shimano SLX, M7100, 12-speed

Crankset: Shimano 105 R7100, 52/36t

Bottom Bracket: Shimano Threaded BSA BB

WHEELS & TIRES

Front Tire: S-Works Turbo, 120 TPI, folding bead, BlackBelt protection, 700x26mm

Front Wheel: DT Swiss R470 rim, 20mm internal width, tubeless ready, 24h, Specialized full sealed bearing thru axle hub, centerlock disc, DT Swiss Champion 14G stainless steel spokes, DT Swiss brass nipples.

Rear Tire: S-Works Turbo, 120 TPI, folding bead, BlackBelt protection, 700x26mm

Rear Wheel: DT Swiss R470 rim, 20mm internal width, tubeless ready, 24h, Specialized full sealed bearing thru axle hub, centerlock disc, DT Swiss Champion 14G stainless steel spokes, DT Swiss brass nipples.

Inner Tubes: Turbo Ultralight, 48mm Presta val

ACCESSORIES

Headset: Stem headset spacers kit for SL7 stem & Roval Rapide cockpit use

 

 

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