2027 Trek Domane SLR Gen 5 vs 2025 Giant Contend AR
The S is the Giant Contend AR size closest to your S Trek Domane SLR Gen 5. 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 SLR Gen 5 in S, the Giant Contend AR in S places the top of the head tube 4 mm higher and 4 mm further forward, relative to the bottom bracket.
- Frame stack
- +4 mm
- Higher front end
- Frame reach
- +4 mm
- Longer frame reach
- Wheelbase
- +1 mm
- About the same
- Head angle
- +0.7°
- Steeper: sharper steering
- Chainstays
- +2 mm
- About the same
The two frames
We can't draw these frames yet. The Trek Domane SLR Gen 5 numbers we have for size S are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Domane SLR Gen 5 S | Giant Contend AR S | Difference |
|---|---|---|---|
| Reach | 371 | 375 | +4 mm |
| Stack | 555 | 559 | +4 mm |
| Head tube angle | 71.1° | 71.8° | +0.7° |
| Effective top tube | 530 | not listed | |
| Chainstay length | 420 | 422 | +2 mm |
| Wheelbase | 1002 | 1003 | +1 mm |
| BB drop | 80 | 80 | ±0 mm |
| Standover | 753 | 759 | +6 mm |
| Seat tube length | 476 | 445 | −31 mm |
| Head tube length | 139 | 135 | −4 mm |
| Seat tube angle | not listed | 74.0° |
Differences are the Giant Contend AR minus the Trek Domane SLR Gen 5. Full charts: 2027 Trek Domane SLR Gen 5, 2025 Giant Contend AR.
Where each sits in its class
Trek Domane SLR Gen 5Giant 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 SLR Gen 5SLR 7 AXS Gen 5 | Giant Contend AR4 |
|---|---|---|
| Frame | Trek Domane SLR | Giant ALUXX-grade |
| Fork | Trek Domane SLR | Giant Advanced-Grade |
| Shifter | SRAM Force AXS E1 | Shimano Claris |
| Derailleur | SRAM Force AXS | Shimano Claris |
| Cassette | SRAM XG-1270 Force | Shimano CS-HG50 |
| Chain | SRAM Force E1 | KMC Z72 |
| Crankset | SRAM Force AXS | FSA Tempo |
| Bottom bracket | SRAM DUB | not listed |
| Battery | SRAM AXS | not listed |
| Wheelset | Bontrager Aeolus Pro 51 | not listed |
| Tire | Bontrager Kwaremont | Giant S-R3 AC |
| Rotor | SRAM Paceline | not listed |
| Handlebar | Bontrager Pro Riser | Giant Connect XS:40cm |
| Stem | Trek RCS | Giant Sport XS:80mm |
| Grips | Trek gel cork | Velo cork tape |
| Seatpost | Bontrager RSL | Giant D-Fuse |
| Saddle | Trek Verse Short | Giant Approach |
| Rim | not listed | Giant S-R2 |
| Brake | not listed | Tektro MDC550, Shimano Claris |
| Bar tape | not listed | Velo cork tape |
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