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2015 Trek

Domane 4.0 Disc Compact

A carbon frame endurance bike with mid-range components and trp mechanical disc brakes.

FrameCarbon
ForkCarbon
Wheels700c
Drivetrain2 × 9
GroupsetSora
BrakesTRP Mechanical 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)

39 mph

Domane 4.0 Disc Compact

39 mph

Similar Bikes

Highest gear

(descending)

Sizing
50cm

5'1" – 5'5"

52cm

5'3" – 5'7"

54cm

5'5" – 5'9"

56cm

5'7" – 6'0"

58cm

5'10" – 6'2"

60cm

6'0" – 6'4"

62cm

6'2" – 6'5"

🐐 Estimated

Rider Fit Notes

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Reviews

Summary

The Trek Domane is celebrated for its smooth ride and comfort, largely thanks to the innovative IsoSpeed decoupler that effectively absorbs road vibrations without compromising stiffness. It's praised for its precise handling and descending capabilities, making it a favorite for endurance rides. However, some riders note issues with wet weather braking and a geometry that may not suit all, especially those seeking a more aggressive setup.

Pros
  • Smooth ride due to IsoSpeed decoupler

  • Precise and predictable handling

  • Light feeling and comfortable

  • Excellent dry braking performance

  • Race bike geometry for taller riders with high power output

Cons
  • Wet weather braking performance

  • High front end may not suit aggressive riders

  • Geometry may not suit all riders

  • Limited sizing availability for Classics Edition

Key Quotes
It's also the best descending road bike I've ever been on—it will tear through corners accurately and at a frightening velocity.
Bicycling
This is a pretty important aspect of the review – while we’re talking about the Classics Edition specifically, this excellent ride quality applies to all Domanes.
Bikerumor logoBikerumor
‘IsoSpeed decoupler... really does make a difference to the ride feel, softening blows that would otherwise be transmitted directly into your body, but with no obvious detriment to the stiffness of the lower half of the frame responsible for transmitting pedalling forces.’
Cyclist logoCyclist
Ever since its introduction, we’ve found Trek’s unique Domane to be one of the best-ever rides for bad surfaces.
BikeRadar logoBikeRadar

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View all reviews

road.cc
When rim brakes and mechanical shifting ruled Strade Bianche — Fabian Cancellara's Trek Domane that he rode to victory in 2016

Mar 2025

Spartacus' race-winning machine from 2016 was a world away from the bikes of the pro peloton in 2025, and even nine years ago mechanical shifting at this level was becoming a rarity

Read Review

Cycling Weekly
Trek Domane SLR

Oct 2016 · Henry Robertshaw

Slider down the side of seat tube lets you alter the ride quality

Highs
  • Incredibly versatile

  • Comfortable on long rides

  • Great power transfer

  • Excellent wheels

Lows
  • Tyres cut easily

  • No adjustability on lower models

Read Review

BikeRadar
Trek Domane SLR 7 Disc review

Sep 2016 · Ben Delaney

Extreme comfort, efficiency, Di2 shifting or hydraulic braking — pick four. Buy if you want the best endurance road bike on the market

Highs
  • A super-plush ride that doesn’t handle like a boat

  • Di2 shifting

  • Excellent Shimano hydraulic braking

  • Adjustable rear IsoSpeed

  • Tubeless-ready wheels and huge clinchers

Lows
  • It’s not light or cheap!

Read Review

Gran Fondo Magazine
Trek Domane SLR 7 Review

Jul 2016 · Thomas Seidelmann, Robin Schmitt

While not immediately obvious, the Trek Domane boasts a list of technology as long as an Audax: IsoSpeed, IsoCore and IsoZone to name just three.

Read Review

Cyclist
Trek Domane 6.9 Disc review

Nov 2015 · Stu Bowers

The Trek Domane 6.9 is one of the most versatile bikes on the planet, but is it improved by fitting discs?

Read Review

Bicycling
Trek Domane 6.9 Disc

Apr 2015 · Bicycling Editors

Shush the road noise, scream down descents

Read Review

Bikerumor
Long Term Review: Trek Domane Classics Edition

Jan 2015 · Zach Overholt

As far as I’m aware, this is the first time I’ve ever been sent a bike for review that was originally purpose built for a pro race team. Right down to the frame sizing, the Trek Domane Classics edition is the same frame that was under the mighty Cancellara as he tackled the cobbles. As …

Read Review

Road Bike Action
RBA Test: Trek Domane 6.9 Disc

Nov 2014 · R BA

Joining the disc crowd, Trek forges their own path.

Read Review

Specs
Build
Frame

400 Series OCLV Carbon, IsoSpeed, disc balanced post mount, 142x12 Closed Convert dropout, vanishing fender mounts, E2, BB90, 3S chain keeper, DuoTrap compatible

BB StandardBB90, 90.5mm, Press Fit

Fork

Trek IsoSpeed carbon disc, E2, 15mm thru-axle

Bottom Bracket

BB90, 90.5mm, press-fit

Headset

Integrated, cartridge bearings, sealed, 1-1/8" top, 1.5" bottom

Stem

Bontrager Race Lite, 31.8mm, 7 degree

Handlebar

Bontrager Race Blade VR-C, 31.8mm

Saddle

Bontrager Paradigm 1

Seatpost

Bontrager Alloy, 2-bolt head, 27.2mm, 8mm offset

TypeRigid

Groupset
Rear Derailleur

Shimano Sora

Front Derailleur

Shimano Sora, braze-on

Crank

Shimano Sora, 50/34 (compact)

Shifters

Shimano Sora, 9 speed

Cassette

Shimano HG50 11-32, 9 speed

Brakes

TRP HY/RD cable/hydro disc, 160mm rotors

TypeTRP Mechanical Disc

Wheels
Tires

Bontrager R1 Hard-Case Lite, 700x25c

Rider Notes
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First added June 29

Last updated June 29

Not listed for 3,256 days