SpecializedS-Works Tarmac SL8 – Shimano Dura-Ace Di2 2025 bike details 01
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

Where to buy

Lowest price now: £8,999.00 Best price ever seen: £8,999.00 Price drop detected Prices update every ~24 hours
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Best deal
£8,999.00
RRP £12,000.00
↓ £3,001.00 (25.01%)
Specialized Concept Store
SpecializedS-Works Tarmac SL8 – Shimano Dura-Ace Di2
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Last known price £11,499.00
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SpecializedS-Works Tarmac SL8 – Shimano Dura-Ace Di2
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Summary

The SpecializedS-Works Tarmac SL8 – Shimano Dura-Ace Di2, a Road bike released in 2025, priced at £12000. It weighs approximately 6.6kg (size dependent). The frame is Carbon Fiber and the fork is Carbon Fiber. The bike is equipped with a Shimano Dura-Ace R9250, braze-on groupset (Electric Shifting: No). It uses Disc Brake. It rolls on a Roval Rapide CLX II wheelset. It features a Shimano Dura-Ace, BB-R9200 bottom bracket. It uses Internally Routed cable routing. It supports tyres up to 32 mm. Yes It comes with a lifetime warranty. Curious how it stacks up against similar bikes? Compare below...

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 1 years ago

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Bike Type: Road

The style of riding intended for this bike

Bike Spec

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Weight: 6.6 kg

The website average for Road bikes is 8.56 kg. This bike is 1.97 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

Roval Rapide CLX II

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

44 49 52 54 56 58 61

This frame comes in 7 sizes, this is 1.44 more sizes than the website average.

Handebar Sizes Available

Unknown

Crank Arm Sizes Available

165 170 172.5 175

Sizing & Geometry

Frame measurements and sizing vary by bike size. Measurements are shown for each available frame size.

Swipe across to view all sizes.

Geometry 44 49 52 54 56 58 61
Sizing
Rider height 142–152 cm 152–163 cm 163–170 cm 170–175 cm 175–180 cm 180–188 cm 188–196 cm
Wheel size 700c 700c 700c 700c 700c 700c 700c
Frame geometry
Stack (mm) 501 514 527 544 565 591 612
Reach (mm) 366 375 380 384 395 402 408
Effective top tube (mm) 512 517 531 541 562 577 595
Seat tube (mm) 433 447 458 475 496 517 547
Head tube (mm) 94 102 113 131 151 178 198
Standover (mm) 718 731 746 768 791 813 841
Handling
Head angle (°) 69 71.75 72.50 73 73.50 73.50 74
Seat angle (°) 75.50 75.50 74 74 73.50 73.50 73
Chainstay (mm) 410 410 410 410 410 410 412
Wheelbase (mm) 973 973 976 978 991 1,006 1,013
Fork offset (mm) 47 47 47 44 44 44 44
Trail (mm) 71 62 58 58 55 55 52

Frame Details

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Frame Weight

This frame weighs 685g

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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 R9200, 12-speed

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Cranks

Shimano Dura-Ace R9200 HollowTech II

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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 M9100 / R9200, 12-speed with Quick-Link

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

60mm

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Tires

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

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Tire Type

Tubeless

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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

160mm front rotor / 140mm rear rotor (Official). Uses Shimano RT-CL900 Center Lock brake rotors

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