2027 Trek Domane SLR No. Gen 5 vs 2025 Giant Contend AR
The S is the Giant Contend AR size closest to your XS Trek Domane SLR No. 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 No. Gen 5 in XS, the Giant Contend AR in S places the top of the head tube 35 mm higher and 7 mm further forward, relative to the bottom bracket. Its wheelbase is 16 mm longer, which can contribute to stability at speed.
- Frame stack
- +35 mm
- Higher front end
- Frame reach
- +7 mm
- Longer frame reach
- Wheelbase
- +16 mm
- Longer: steadier at speed
- Head angle
- +0.5°
- Steeper: sharper steering
- Chainstays
- +2 mm
- About the same
The two frames
We can't draw these frames yet. The Trek Domane SLR No. Gen 5 numbers we have for size XS are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Domane SLR No. Gen 5 XS | Giant Contend AR S | Difference |
|---|---|---|---|
| Reach | 368 | 375 | +7 mm |
| Stack | 524 | 559 | +35 mm |
| Head tube angle | 71.3° | 71.8° | +0.5° |
| Effective top tube | 520 | not listed | |
| Chainstay length | 420 | 422 | +2 mm |
| Wheelbase | 987 | 1003 | +16 mm |
| BB drop | 80 | 80 | ±0 mm |
| Standover | 721 | 759 | +38 mm |
| Seat tube length | 444 | 445 | +1 mm |
| Head tube length | 106 | 135 | +29 mm |
| Seat tube angle | not listed | 74.0° |
Differences are the Giant Contend AR minus the Trek Domane SLR No. Gen 5. Full charts: 2027 Trek Domane SLR No. Gen 5, 2025 Giant Contend AR.
Where each sits in its class
Trek Domane SLR No. 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 No. Gen 5SLR 9 AXS No. 76 Gen 5 | Giant Contend AR4 |
|---|---|---|
| Frame | Trek Domane SLR | Giant ALUXX-grade |
| Fork | Trek Domane SLR | Giant Advanced-Grade |
| Shifter | SRAM RED AXS E1 | Shimano Claris |
| Derailleur | SRAM RED AXS E1 | Shimano Claris |
| Cassette | SRAM RED XG-1290 E1 | Shimano CS-HG50 |
| Chain | SRAM E1 Red | KMC Z72 |
| Crankset | SRAM E1 RED AXS | FSA Tempo |
| Bottom bracket | SRAM DUB | not listed |
| Battery | SRAM AXS | not listed |
| Wheelset | Bontrager Aeolus RSL 37 | 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 |
| Seatpost | Bontrager RSL | Giant D-Fuse |
| Saddle | Trek Aeolus RSL | Giant Approach |
| Rim | not listed | Giant S-R2 |
| Brake | not listed | Tektro MDC550, Shimano Claris |
| Grips | not listed | Velo cork tape |
| Bar tape | not listed | Velo cork tape |
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