SpecializedS-Works Tarmac SL8 – Shimano Dura-Ace Di2 2025 bike details 02
SpecializedS-Works Tarmac SL8 – Shimano Dura-Ace Di2 2025 bike details 03
SpecializedS-Works Tarmac SL8 – Shimano Dura-Ace Di2 2025 bike details 04
SpecializedS-Works Tarmac SL8 – Shimano Dura-Ace Di2 2025 bike details 05
SpecializedS-Works Tarmac SL8 – Shimano Dura-Ace Di2 2025 bike details 01

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Bike Info

Worldwide Shipping: Yes

Delivery across the globe!

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Warranty: Lifetime

Limited warranty website average: 3.12 years

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Released: 2025

The bike was released this year

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Bike Type: Road

The style of riding intended for this bike

Bike Spec

Weight Icon

Weight: 6.6 kg

The website average for Road bikes is 8.33 kg. This bike is 1.74 kg under the average. Total bike weight may vary depending on frame size.

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Groupset

Shimano Dura-Ace R9250, braze-on

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Wheelset

Front: Roval Rapide CLX II, Tubeless, 21mm internal width carbon rim, 51mm depth, Win Tunnel Engineered, Roval AFD hub, 18h, DT Swiss Aerolite spokes, Rear: Roval Rapide CLX II, Tubeless, 21mm internal width carbon rim, 60mm depth, Win Tunnel Engineered, Roval AFD hub, 24h, DT Swiss Aerolite spokes

Disc Brake

Brake Type: Disc Brake

Welcome to the future!

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Frameset Material

Carbon Fiber

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Max Tire Size: 32 mm

This is the max tire size you can use

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UCI Approved: Yes

You can use for official races

Sizing & Geometry

Frame Sizes

49 52 54 56 58 61

This frame comes in 6 sizes, this is 0.48 more sizes than the website average.

Handebar Sizes Available

38 40 42 44

Crank Arm Sizes Available

165 170 172.5 175

Frame Details

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Frame Weight

Unknown

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Frame Material

Carbon Fiber

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Forks

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

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Fork Material

The forks are made from Carbon Fiber

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Cables: Internally Routed

Routed through bars, stem and frame

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Axel Type: Thru-axle

How the wheels are secured to the frame

Disc Brake

Brake Type: Disc Brake

Welcome to the future!

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Brake Mount: Flat Mount

How the calipers are mounted

Yes

Integrated bar and stem: Yes

The bar and stem are integrated

Drivechain Details

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Groupset name

Shimano Dura-Ace R9250, braze-on

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Electric Groupset: No

This bike doesn't have electric gears

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Shifters

Shimano Dura-Ace R9270, hydraulic disc

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Front Derailleur

Shimano Dura-Ace R9250, braze-on

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Rear Derailleur

Shimano Dura-Ace R9250, 12-speed

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Cassette

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

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Cranks

Shimano Dura-Ace R9200, HollowTech II, 12-speed with 4iiii Precision 3+ Pro dual-sided powermeter, 52/36T

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Power Meter: Yes

This bike comes with a power meter

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Bottom Bracket

Shimano Dura-Ace, BB-R9200

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Chain

Shimano Dura-Ace, 12-speed

Wheel & Tire Details

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Wheelset Name

Front: Roval Rapide CLX II, Tubeless, 21mm internal width carbon rim, 51mm depth, Win Tunnel Engineered, Roval AFD hub, 18h, DT Swiss Aerolite spokes, Rear: Roval Rapide CLX II, Tubeless, 21mm internal width carbon rim, 60mm depth, Win Tunnel Engineered, Roval AFD hub, 24h, DT Swiss Aerolite spokes

Front Wheel Depth Icon

Front Wheel Depth

51mm

Rear Wheel Depth Icon

Rear Wheel Depth

51mm

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Tires

Front: S-Works Turbo Rapidair 2BR, 700x26mm, Rear: S-Works Turbo Rapidair 2BR, 700x26mm

Tire Type Icon

Tire Type

Unknown

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Max Tire Size: 32 mm

This is the max tire size you can use

Brakes

Disc Brake

Brake Type: Disc Brake

Welcome to the future!

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Brake Mount: Flat Mount

How these disc brakes are mounted

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Brakes

Front: Shimano Dura-Ace R9270, hydraulic disc 160mm rotor, Rear: Shimano Dura-Ace R9270, hydraulic disc 140mm rotor

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Brake Rotors

Unknown

Other Components

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Saddle

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

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Seatpost

S-Works Tarmac SL8 Carbon seat post

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Handlebars

Roval Rapide Cockpit, Integrated Bar/Stem

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Bar Tape

Supacaz Super Sticky Kush

Manufactures Description

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 combina ... Read More