2024 Trek Domane SL Gen 4 vs 2025 Giant Contend AR
The XL is the Giant Contend AR size closest to your 60 Trek Domane SL Gen 4. We match frame stack and reach. This is a geometry comparison, not a fit recommendation; stem, spacers, handlebars and saddle setup also affect your riding position.
What changes on the Giant Contend AR
Compared with the Trek Domane SL Gen 4 in 60, the Giant Contend AR in XL places the top of the head tube 6 mm higher and 17 mm further forward, relative to the bottom bracket. Its wheelbase is 14 mm longer, which can contribute to stability at speed.
- Frame stack
- +6 mm
- Higher front end
- Frame reach
- +17 mm
- Longer frame reach
- Wheelbase
- +14 mm
- Longer: steadier at speed
- Head angle
- +0.4°
- Steeper: sharper steering
- Chainstays
- −3 mm
- Shorter: livelier
The two frames
We can't draw these frames yet. The Trek Domane SL Gen 4 numbers we have for size 60 are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Domane SL Gen 4 60 | Giant Contend AR XL | Difference |
|---|---|---|---|
| Reach | 383 | 400 | +17 mm |
| Stack | 632 | 638 | +6 mm |
| Head tube angle | 72.1° | 72.5° | +0.4° |
| Effective top tube | 579 | not listed | |
| Chainstay length | 425 | 422 | −3 mm |
| Wheelbase | 1032 | 1046 | +14 mm |
| BB drop | 75 | 80 | +5 mm |
| Standover | 817 | 856 | +39 mm |
| Seat tube length | 567 | 565 | −2 mm |
| Head tube length | 220 | 215 | −5 mm |
| Seat tube angle | not listed | 73.0° |
Differences are the Giant Contend AR minus the Trek Domane SL Gen 4. Full charts: 2024 Trek Domane SL Gen 4, 2025 Giant Contend AR.
Where each sits in its class
Trek Domane SL Gen 4Giant Contend AR
Each bike is ranked against the other road bikes on Quiver, on frame geometry alone. Not your hand position or ride feel.
What each ships with
The stock build of each bike's first listed trim. Parts that match are dimmed.
| Part | Trek Domane SL Gen 4SL 5 Gen 4 | Giant Contend AR4 |
|---|---|---|
| Fork | Trek Domane SL | Giant Advanced-Grade |
| Wheelset | Bontrager Paradigm SL | not listed |
| Tire | Bontrager R3 Hard-Case Lite | Giant S-R3 AC |
| Handlebar | Bontrager Elite IsoZone VR-SF | Giant Connect XS:40cm |
| Frame | not listed | Giant ALUXX-grade |
| Shifter | not listed | Shimano Claris |
| Derailleur | not listed | Shimano Claris |
| Cassette | not listed | Shimano CS-HG50 Deore |
| Chain | not listed | KMC Z72 |
| Crankset | not listed | FSA Tempo |
| Rim | not listed | Giant S-R2 |
| Brake | not listed | Tektro MD-C550, Shimano Claris |
| Stem | not listed | Giant Sport XS:80mm |
| Grips | not listed | Velo cork tape |
| Seatpost | not listed | Giant D-Fuse |
| Saddle | not listed | Giant Approach |
Know what is on every bike.
Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.
Explore the app
