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Today’s Deals2015 Trek
Domane 4.5 Disc Compact
A carbon frame endurance bike with high-end components and shimano hydraulic disc brakes.
| Frame | Carbon |
|---|---|
| Fork | Carbon |
| Wheels | 700c Aluminum |
| Drivetrain | 2 × 11 |
| Groupset | Ultegra, Tiagra |
| Brakes | Shimano Hydraulic Disc |
5'1" – 5'5"
5'3" – 5'7"
5'5" – 5'9"
5'7" – 6'0"
5'10" – 6'2"
6'0" – 6'4"
6'2" – 6'5"
🐐 Estimated
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.
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.
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
Wet weather braking performance
High front end may not suit aggressive riders
Geometry may not suit all riders
Limited sizing availability for Classics Edition
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‘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.’
CyclistEver since its introduction, we’ve found Trek’s unique Domane to be one of the best-ever rides for bad surfaces.
BikeRadarFeedback?
View all reviews
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
Oct 2016 · Henry Robertshaw
Slider down the side of seat tube lets you alter the ride quality
Incredibly versatile
Comfortable on long rides
Great power transfer
Excellent wheels
Tyres cut easily
No adjustability on lower models
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
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
It’s not light or cheap!
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.
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?
Apr 2015 · Bicycling Editors
Shush the road noise, scream down descents
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 …
Nov 2014 · R BA
Joining the disc crowd, Trek forges their own path.
| 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 Standard: BB90, 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 3, chromoly rails |
| Seatpost | Bontrager Carbon, 2-bolt head, 27.2mm, 8mm offset Type: Rigid |
| Rear Derailleur | Shimano Ultegra |
|---|---|
| Front Derailleur | Shimano Ultegra, braze-on |
| Crank | Shimano RS500, 50/34 (compact) |
| Shifters | Shimano RS685 hydraulic, 11 speed |
| Cassette | Shimano 105 11-32, 11 speed |
| Brakes | Shimano RS685 hydraulic disc, 160mm rotors Type: Shimano Hydraulic Disc |
| Rims | Bontrager Affinity Comp Disc Tubeless Ready, 142x12 rear, 15mm front |
|---|---|
| Tires | Bontrager R2 Hard-Case Lite, 700x25c |
First added June 29
Last updated June 29
Not listed for 3,256 days