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2025 Specialized

Tarmac SL8 Expert

A carbon frame race bike with upper mid-range components and sram rival hydraulic disc brakes.

Manufacturer Price

CA$7,799($5,516)
Weight17.1 lbs  
FrameCarbon
ForkCarbon
Wheels700c Carbon
Drivetrain2 × 12 Electronic
GroupsetRival AXS
Power MeterRival AXS
BrakesSRAM Rival Hydraulic Disc
View on specialized.comLearn about Specialized
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Insights
Ride Feel

Based on frame geometry and build specs.

Rider Position
relaxedaggressive
Terrain
smoothrugged
Tarmac SL8 Expert
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 Expert

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.

Reviews

Summary

The Specialized Tarmac is celebrated as a top-tier race bike, blending lightweight construction, aerodynamic efficiency, and exceptional handling. It's designed for speed and agility, with a focus on comfort and performance across various racing scenarios. While it excels as an all-rounder, some reviews note it may lack the explosive acceleration of competitors and comes with a premium price tag.

Pros
  • Lightweight and aerodynamic

  • Exceptional handling and comfort

  • High-quality components and build

  • Versatile performance for racing

  • Innovative features like the Future Shock headset system

Cons
  • Premium price point

  • May lack explosive acceleration compared to some competitors

  • Integrated components can limit customization

Key Quotes
The Tarmac SL8 is light and stiff on take-off, with the rear triangle efficiently transferring power to the ground.
Gran Fondo Magazine logoGran Fondo Magazine
Specialized’s finely tuned Tarmac geometry contributes to its all-rounder credentials, making it a modern race bike fit for everything from mountain stages to final sprints on the Champs-Élysées.
Gran Fondo Magazine logoGran Fondo Magazine
For many, the Specialized S-Works Tarmac SL8 remains the benchmark among race bikes – and rightfully so.
Gran Fondo Magazine logoGran Fondo Magazine

Feedback?

View all reviews

Bicycling
Two pre-Tour stage races, two blacked-out bikes, one likely new Specialized Tarmac

Jun 2026

Black paint may be hiding the finer details, but the visible changes are enough to suggest Specialized’s next Tarmac is already being race tested.

Read Review

Bikerumor
These Limited-Edition Specialized S-Works Tarmac SL8 Frames are Literally Rideable Works of Art

Feb 2026 · Travis Reill

Specialized teamed up with three artists from around the world to hand-paint S-Works Tarmac SL8 frames, and there are only 500 total

Read Review

road.cc
Specialized Tarmac SL8 Expert

Aug 2025

Stunning frameset and ride quality, hampered by the tyre choice

Highs
  • Excellent ride quality from the frameset

  • Great range of frame sizes

  • Quick handling & nimble without twitchiness

Lows
  • Tyres feel lifeless

Read Review

Escape Collective
Pro bike: Lorena Wiebes’ Specialized S-Works Tarmac SL8

Jul 2025 · Suvi Loponen

The double stage winner at the Tour de France Femmes avec Zwift rides a special-livery Tarmac with some personal touches.

Read Review

Gran Fondo Magazine
Specialized S-Works Tarmac SL8 review in our 2025 road bike comparison test

Jan 2025 · Calvin Zajac

Specialized S-Works Tarmac SL8 review: Can the Tarmac SL8 still hold its position at the front of the pack? Here’s what we found out.

Highs
  • Perfect all-rounder, Lightweight, aero, and spot-on handling

  • Exceptionally high-quality finish

Lows
  • The bike is so perfectly engineered, it almost lacks a bit of character

Read Review

Velo
Review: What We Learned Riding the Specialized Tarmac SL8 Over 1500 Miles

Oct 2024 · Alvin Holbrook

The Specialized Tarmac SL8 isn’t perfect, but it is truly hard to beat. Here is everything we learned riding the bike for eight months.

Read Review

BikeRadar
Specialized Tarmac SL8 Pro – SRAM Force eTap AXS review

May 2024 · Simon von Bromley

Pro performance, punter price?

Highs
  • Fast

  • Light

  • Fun to ride

  • Near flawless build spec

Lows
  • Expensive

  • Brake rotors exceptionally noisy when wet

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

Geometry
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

ColorsSatin Champagne / Black Pearl; Gloss Deep Lake Metallic / Green Pearl over Seafoam

Fork

Tarmac SL8 FACT 10r Carbon, 12x100mm thru-axle, flat-mount disc

Bottom Bracket

SRAM DUB BSA 68

Stem

Tarmac integrated stem, 6-degree

Handlebar

Specialized Expert Shallow Drop, alloy, 125mm drop x 75mm reach

Saddle

Body Geometry Power Expert

Seatpost

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

TypeRigid

Groupset
Rear Derailleur

SRAM Rival eTap AXS, 12-speed

Front Derailleur

SRAM Rival eTAP AXS, braze-on

Crank

SRAM Rival with Power Meter, 48/35T

Power Meter

SRAM Rival with Power Meter, 48/35T

Shifters

SRAM Rival eTap AXS

Cassette

SRAM Rival, 12-speed, 10-36t

Chain

SRAM Rival 12-speed

Brakes

Front: SRAM Rival eTap AXS, hydraulic disc 160mm rotor, Rear: SRAM Rival eTap AXS, hydraulic disc 160mm rotor

TypeSRAM Rival Hydraulic Disc

Wheels
Rims

Front: Roval C38, 21mm internal width carbon rim, Rear: Roval C38, 21mm internal width carbon rim

Tires

Front: S-Works Turbo, folding bead, 700x26mm, Rear: S-Works Turbo, folding bead, 700x26mm

Rider Notes
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First added August 5

Last updated January 10

Not listed for 161 days