2024 Specialized

Tarmac SL8 Pro - Ultegra Di2

A carbon frame race bike with high-end components and hydraulic disc brakes.
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Manufacturer Price

$8,500
Weight15.8 lbs  
FrameCarbon
SuspensionRigid
ForkCarbon
Wheels700c Carbon
Drivetrain2 × 12 Electronic
GroupsetUltegra Di2
Power Meter4iiii
BrakesHydraulic Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Rider Position
relaxedaggressive
Terrain
smoothrugged
Tarmac SL8 Pro - Ultegra Di2
Other Race bikes
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

41 mph

Tarmac SL8 Pro - Ultegra Di2

40 mph

Similar Bikes

Highest gear

(descending)

Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

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Price History
Reviews
Velo
Pro Bike Gallery: Bora Hansgrohe’s Decked Out SRAM Equipped Specialized Tarmac SL8

Feb 2024 · Will Tracy

From aero chainrings to 1x drivetrains and more, Bora-Hansgrohe is taking advantage of all the latest SRAM gear on its Specialized Tarmac SL8 bikes.

Read Review

Escape Collective
Specialized Tarmac SL8 Pro review: all-day speed  - Escape Collective

Dec 2023 · Dave Rome

This bike sacrifices absolute aero for ride quality, and I'm all for it.

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BikeRadar
Specialized S-Works Tarmac SL8 Dura-Ace Di2 review

Nov 2023 · Ashley Quinlan

One of the finest race bikes available in 2023

Highs
  • Incredibly well balanced handling

  • Aero bike speed

  • Light weight

  • Pro level race bike stiffness but with well rounded comfort

Lows
  • Wider tyres set up tubeless will be a worthwhile upgrade for most

  • Handlebar tops comfort

  • High cost

Read Review

Cyclist
Specialized Tarmac SL8 S-Works Di2 review

Oct 2023 · Sam Challis

The Specialized Tarmac SL8 launched at the 2023 World Championships – bagging a gold in the women’s Road Race under

Highs
  • Light weight

  • Reactive acceleration

  • Perception of comparative ease when holding high speeds

  • Non-proprietary component standards

Lows
  • Component options not customisable at purchase online

  • Cheapest build is £6

Read Review

road.cc
What is the ultimate road superbike in 2023? Specialized S-Works Tarmac SL8 vs Cannondale SuperSix EVO LAB71

Sep 2023 · Jamie Williams

Two of the best new road bikes of 2023 go head-to-head. Which one would we choose, and what would you go for?

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The Gear Loop
Say hello to Specialized’s all-new Tarmac SL8

Aug 2023

Decades of development leads to lightest, fastest Tarmac ever made

Read Review

Bikerumor
'Speed Sniffer' Makes New Specialized Tarmac SL8 Their Most Aero Bike Yet

Aug 2023

The next generation Specialized Tarmac is here. And as you might expect, the new bike is lighter, faster, and more comfortable thanks to a number…

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Cycling News
Specialized S-Works Tarmac SL8 Dura-Ace: First ride review

Aug 2023 · Josh Croxton

It claims to be better than the SL7 in every way... but does that actually translate to performance on the road?

Highs
  • Sharp handling

  • 685g frame weight (claimed)

  • Stiff under power

  • Unassuming looks

Read Review

Geometry
99 Spokes on YouTube99 Spokes on YouTube
Specs
Build
Frame

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

BB StandardBSA, 68mm, Threaded

Tire Clearance32c

ColorsGloss Pine Green Metallic / White; Satin Blue Onyx / Black

Fork

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

Bottom Bracket

Shimano Threaded BSA

Stem

Tarmac integrated stem, 6-degree

Handlebar

Roval Rapide Handlebar, carbon

Saddle

Body Geometry Power Pro, hollow titanium rails

Seatpost

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

TypeRigid

Groupset
Rear Derailleur

Shimano Ultegra Di2 R8150, 12-speed

Front Derailleur

Shimano Ultegra Di2 R8150, braze-on

Crank

Shimano Ultegra R8100 with 4iiii power meter, 52/36T

Power Meter

Shimano Ultegra R8100 with 4iiii power meter, 52/36T

Shifters

Shimano Ultegra Di2 R8170, hydraulic disc

Cassette

Shimano Ultegra, 12-speed, 11-30t

Chain

Shimano Ultegra, 12-speed

Brakes

Front: Shimano Ultegra Di2 R8170, hydraulic disc, Rear: Shimano Ultegra Di2 R8170, hydraulic disc

TypeHydraulic Disc

Wheels
Rims

Front: Roval Rapide CL II, 21mm internal width carbon rim tubeless ready, Win Tunnel Engineered, DT for Roval 350 hub, DT Swiss Revolution spokes, 51mm depth, Rear: Roval Rapide CL II, 21mm internal width carbon rim tubeless ready, Win Tunnel Engineered, DT for Roval 350 hub, DT Swiss Revolution spokes, 60mm depth

Tires

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

Rider Notes
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Last updated April 29