SpecializedTarmac SL8 Pro – Shimano Ultegra Di2 2025 bike details 01
SpecializedTarmac SL8 Pro – Shimano Ultegra Di2 2025 bike details 02
SpecializedTarmac SL8 Pro – Shimano Ultegra Di2 2025 bike details 03
SpecializedTarmac SL8 Pro – Shimano Ultegra Di2 2025 bike details 04
SpecializedTarmac SL8 Pro – Shimano Ultegra Di2 2025 bike details 05

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Best deal
£5,999.00
RRP £7,249.00
↓ £1,250.00 (17.24%)
Specialized Concept Store
SpecializedTarmac SL8 Pro – Shimano Ultegra Di2
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Summary

The SpecializedTarmac SL8 Pro – Shimano Ultegra Di2, a Road bike released in 2025, priced at £7740. It weighs approximately 7.2kg (size dependent). The frame is Carbon Fiber and the fork is Carbon Fiber. The bike is equipped with a Shimano Ultegra Di2 R8150, braze-on groupset (Electric Shifting: Yes). It uses Disc Brake. It rolls on a Roval Rapide CL II wheelset. It features a Shimano Threaded BSA 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: 7.2 kg

The website average for Road bikes is 8.56 kg. This bike is 1.36 kg under the average. Total bike weight may vary depending on frame size.

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Groupset

Shimano Ultegra Di2 R8150, braze-on

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Wheelset

Roval Rapide CL 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

165 175

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
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) 496 508 531 541 563 577 595
Seat tube (mm) 433 458 481 499 519 541 573
Head tube (mm) 99 109 120 137 157 184 206
Standover (mm) 723 743 766 785 805 826 852
Handling
Head angle (°) 70.50 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) 410 410 410 410 410 410 410
Wheelbase (mm) 970 973 975 978 991 1,005 1,013
Fork offset (mm) 47 47 47 44 44 44 44
Trail (mm) 71 63 58 62 58 58 55

Frame Details

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Frame Weight

This frame weighs 780g

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Frame Material

Carbon Fiber

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Forks

Tarmac SL8 FACT 10r 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 Ultegra Di2 R8150, braze-on

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Electric Groupset: Yes

This bike has electric gears

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Shifters

Shimano Ultegra Di2 R8170, hydraulic disc

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Front Derailleur

Shimano Ultegra Di2 R8150, braze-on mount. (Official)

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Rear Derailleur

Shimano Ultegra Di2 R8150, 12-speed

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Cassette

Shimano Ultegra R8100, 12-speed. (Official)

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Cranks

Shimano Ultegra R8100 (Length size-specific)

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Power Meter: Yes

This bike comes with a power meter

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Bottom Bracket

Shimano Threaded BSA

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Chain

Shimano Ultegra M8100, 12-speed with Quick-Link. (Official)

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Battery

Unknown

Wheel & Tire Details

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Wheelset Name

Roval Rapide CL II

Front Wheel Depth Icon

Front Wheel Depth

51mm

Rear Wheel Depth Icon

Rear Wheel Depth

60mm

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Tires

S-Works Turbo, 2BR, 700x26mm

Tire Type Icon

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

Hydraulic Disc

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Brake Rotors

160 mm front rotor, 140 mm rear rotor (Shimano MT800 Center Lock rotors)

Other Components

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Saddle

Power Pro with Mirror

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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