2021 Specialized

S-Works Tarmac SL6 Disc - Dura Ace Di2

A carbon frame race bike with ultra high-end components and hydraulic disc brakes.
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MSRPNZ$16,500 (about $10,357)
FrameCarbon
SuspensionRigid
ForkCarbon
Wheels700c Carbon
Drivetrain2 × 11 Electronic
GroupsetDura-Ace Di2, Praxis
BrakesHydraulic Disc
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Insights
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)

36 mph

S-Works Tarmac SL6 Disc - Dura Ace Di2

40 mph

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Highest gear

(descending)

Spec Level

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

Compare the full Tarmac model range

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Reviews
Road Bike Action
SPECIALIZED TARMAC SL7 ROAD BIKE TEST - Road Bike Action

Sep 2021 · David Kennedy

Specialized just announced the Tarmac SL7. Scheduled to be released at the Tour de France, Specialized opted to unveil their new road bike, the Tarmac SL7.

Read Review

Bikerumor
Review: Specialized Tarmac S-Works SL7 is a fairly well mannered road rocket

Sep 2020

The new S-Works Tarmac SL7 is a race bike that's fun to ride and increased my average speed, but here's what you need to know before buying.

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road.cc
Specialized S-Works Tarmac SL7 Dura-Ace Di2 2021

Aug 2020 · Stu Kerton

Eye-watering price but an exceptional performance

Highs
  • Wheel rim profiles make a massive difference to aerodynamics

  • Impressive weight for a disc brake-equipped bike

Lows
  • Wheels aren't tubeless compatible

  • Top-end price tag

Read Review

Cycling Weekly
Specialized S-Works Tarmac SL7 Dura-Ace Di2

Aug 2020 · Michelle Arthurs-Brennan

The Specialized Tarmac is an iconic bike, and the latest update from the American brand has futureproofed it

Highs
  • Aero

  • Light

  • Punchy

  • Great handling

Lows
  • More clattery than the SL6

  • Price tag

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Cycling News
Specialized S-Works Tarmac SL7 review

Jul 2020 · Josh Croxton

We've been using Specialized's brand new Tarmac for a couple of weeks, and here are our initial thoughts

Highs
  • Aerodynamics and power transfer on par with Venge

  • Weight (6.89kg tested, size 58cm)

Lows
  • Non-tubeless wheels

  • Harsher ride than Tarmac SL6

  • Huge price

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Bicycling
The New Specialized Tarmac SL7 Is a PR Killer

Jul 2020

The best race bike is now even better.

Highs
  • A nearly perfect race bike.

  • Smooth and lively.

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Velo
Specialized S-Works Tarmac SL7 review

Jul 2020 · Ben Delaney

The aero Venge fuses into the S-Works Tarmac race machine with exceptional ride qualities, aero performance, and a price tag to match.

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Gran Fondo Magazine
Specialized S-Works Tarmac SL6 Disc review

Apr 2019 · Benjamin Topf

As the new official bike of professional UCI teams like BORA-Hansgrohe, you’re going to see the Specialized S-Works Tarmac SL6 Disc in countless races.

Highs
  • Perfect compromise between speed, comfort and safety

  • Perfectly balanced handling

  • Low weight at the limit of legality (don’t tell the UCI-people!)

  • Integrated dual-sided power meter

Lows
  • Di2 cable mess

Read Review

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Specs
Build
Frame

FACT 12r carbon fiber, Rider-First Engineered™, OSBB, clean routing, internally integrated seat clamp, 12x142mm thru-axle, flat-mount disc

ColorGloss Crimson / Rocket Red/dove Grey

Fork

S-Works FACT carbon, 12x100mm thru-axle, flat-mount disc

Bottom Bracket

OSBB, CeramicSpeed bearings

Stem

S-Works SL, alloy, titanium bolts, 6-degree rise

Handlebar

S-Works Short & Shallow

Saddle

Body Geometry S-Works Power, carbon fiber rails, carbon fiber base, 143mm

Seatpost

S-Works FACT carbon Tarmac seatpost, 20mm offset

TypeRigid

Groupset
Rear Derailleur

Shimano Dura-Ace Di2 R9150, 11-speed

Front Derailleur

Shimano Dura-Ace Di2 R9150, braze-on

Crank

S-Works Power Cranks, dual-sided power measurement, +/- 1.5% accuracy, Praxis, 46T, 110BCD

Shifters

Shimano Dura-Ace Di2 Disc R9170

Cassette

Shimano Dura-Ace R9100, 11-speed, 11-30t

Chain

Shimano Dura-Ace, 11-speed

Brakes

Front: Shimano 105, Hydraulic disc, Rear: Shimano 105, Hydraulic disc

TypeHydraulic Disc

Wheels
Rims

Front: Roval CLX 50 Disc, carbon, tubeless-ready, Win Tunnel Engineered, 50mm depth, CeramicSpeed bearings, 21h, Rear: Roval CLX 50 Disc, carbon, tubeless-ready, Win Tunnel Engineered, 50mm depth, DT Swiss 240 internals, CeramicSpeed bearings, 24h

Rear Hub

LuHai_RVT66L-K5-B25-AN2-N4-F0, Tubeless valve stem for CLX 50 Tubeless wheels.

Tires

Front: Turbo Cotton, 320 TPI, 700x26mm, Rear: Turbo Cotton, 320 TPI, 700x26mm

Rider Notes
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Last updated October 8
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