2027 Trek Domane AL Gen 4 vs 2027 Giant Contend AR
The M is the Giant Contend AR size closest to your 54 Trek Domane AL 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 AL Gen 4 in 54, the Giant Contend AR in M places the top of the head tube at about the same height and 6 mm further forward, relative to the bottom bracket.
- Frame stack
- −1 mm
- About the same height
- Frame reach
- +6 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 AL Gen 4 numbers we have for size 54 are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Domane AL Gen 4 54 | Giant Contend AR M | Difference |
|---|---|---|---|
| Reach | 374 | 379.9 | +6 mm |
| Stack | 575 | 574.3 | −1 mm |
| Head tube angle | 71.3° | 72.0° | +0.7° |
| Effective top tube | 542 | not listed | |
| Chainstay length | 420 | 422 | +2 mm |
| Wheelbase | 1010 | 1010.6 | +1 mm |
| BB drop | 80 | 80 | ±0 mm |
| Standover | 754 | 770.1 | +16 mm |
| Seat tube length | 500 | 500 | ±0 mm |
| Head tube length | 160 | 150 | −10 mm |
| Seat tube angle | not listed | 73.5° |
Differences are the Giant Contend AR minus the Trek Domane AL Gen 4. Full charts: 2027 Trek Domane AL Gen 4, 2027 Giant Contend AR.
Where each sits in its class
Trek Domane AL 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 AL Gen 4AL 2 Gen 4 | Giant Contend AR1 |
|---|---|---|
| Fork | Trek Domane AL | Giant Advanced-Grade |
| Shifter | Shimano Claris ST-R2000-L | Shimano CUES U6030 |
| Derailleur | Shimano Claris R2000 | Shimano CUES U6030, Shimano CUES U6000 |
| Cassette | Shimano HG-31 | Shimano CS-LG400 |
| Chain | Shimano Sora HG71 | KMC X11 |
| Crankset | Shimano RS200 | Shimano CUES FC-U6030-1 |
| Bottom bracket | Shimano UN30 | Shimano BB-RS501 |
| Tire | Bontrager Kwaremont Comp | Giant Gavia Fondo 2 |
| Hub | Formula RX-142, Formula RX-512 | not listed |
| Rim | Bontrager Paradigm 23 | Giant P-AR |
| Brake | Tektro C550 | Shimano CUES U6030 F]160 R]160 |
| Rotor | Tektro Wave | not listed |
| Headset | Bontrager Expander Plug | not listed |
| Saddle | Trek Verse | Giant Approach |
| Frame | not listed | Giant ALUXX-SL Grade |
| Wheelset | not listed | Giant P-AR |
| Handlebar | not listed | Giant Contact |
| Stem | not listed | Giant Contact Aerolight |
| Bar tape | not listed | Giant Cork Tape |
| Seatpost | not listed | D-Fuse |
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