Bikes up to 60% offWe monitor over 40,000 bikes daily to find the best prices

Today’s Deals

2015 Trek

Domane 4.3 Compact

A carbon frame endurance bike with upper mid-range components and rim brakes.

FrameCarbon
ForkCarbon
Wheels700c
Drivetrain2 × 11
Groupset105, Tiagra
BrakesRim
Learn about Trek
Where to Buy
Similar Bikes
Top Comparison
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 4.3 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

None yet.

Do you have this bike? Help other riders make a decision about which size will work for them by sharing your own size and fit notes.

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

Feedback?

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

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

VeloNews
Trek Domane SLR

Jun 2016 · William Tracy

After riding Trek’s newly redesigned Domane over the Flanders cobbles in the Spring of 2016 (far less artfully than Fabian Cancellara, who raced both Tour

Read Review

Canadian Cycling Magazine
New Trek Domane SLR revealed

Apr 2016 · Philippe Tremblay

The details of the bike Cancellara has been riding over the cobbles of Belgium has been announced by Trek

Read Review

Road Bike Action
First Ride: Trek Domane RSL

Apr 2016 · Zap Espinoza

Here's a quick review of the Trek Domane in action

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

Velo
Pro Bike Gallery: Fabian Cancellara’s yellow Trek Domane Team Issue

Jul 2015 · Dan Cavallari

'Spartacus' started stage 3 on the yellow bike but his special Trek lived a short life, as a brutal crash took down the GC leader mid-race

Read Review

Specs
Build
Frame

400 Series OCLV Carbon, E2, BB90, 3S chain keeper, DuoTrap compatible, IsoSpeed

BB StandardBB90, 90.5mm, Press Fit

Fork

Trek IsoSpeed carbon, E2

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 Carbon, 2-bolt head, 27.2mm, 8mm offset

TypeRigid

Groupset
Rear Derailleur

Shimano 105

Front Derailleur

Shimano 105, braze-on

Crank

Shimano RS500, 50/34 (compact)

Shifters

Shimano 105, 11 speed

Cassette

Shimano 105 11-32, 11 speed

Brakes

Alloy dual-pivot

TypeRim

Wheels
Tires

Bontrager R1 Hard-Case Lite, 700x25c

Rider Notes
Riders Also Viewed

First added June 29

Last updated June 29

Not listed for 3,256 days