2024 Trek Domane AL Gen 4 vs 2026 Giant Contend AR
The M is the Giant Contend AR size closest to your 58 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 58, the Giant Contend AR in M places the top of the head tube 16 mm lower and 3 mm further forward, relative to the bottom bracket. Its wheelbase is 7 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −16 mm
- Lower front end
- Frame reach
- +3 mm
- Longer frame reach
- Wheelbase
- −7 mm
- Shorter: quicker to change direction
- Head angle
- +0.5°
- Steeper: sharper steering
- Chainstays
- −3 mm
- Shorter: livelier
The two frames
Trek Domane AL Gen 4, 58Giant Contend AR, MDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Trek Domane AL Gen 4 58 | Giant Contend AR M | Difference |
|---|---|---|---|
| Reach | 380 | 383 | +3 mm |
| Stack | 611 | 595 | −16 mm |
| Head tube angle | 72 | 72.5 | +0.5° |
| Seat tube angle | 73 | 73.0 | ±0.0° |
| Effective top tube | 567 | 565 | −2 mm |
| Chainstay length | 425 | 422 | −3 mm |
| Wheelbase | 1022 | 1015 | −7 mm |
| BB drop | 78 | 80 | +2 mm |
| Standover | 796 | 810 | +14 mm |
| Seat tube length | 548 | 535 | −13 mm |
| Head tube length | 195 | not listed |
Differences are the Giant Contend AR minus the Trek Domane AL Gen 4. Full charts: 2024 Trek Domane AL Gen 4, 2026 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 ARAR 1 |
|---|---|---|
| Frame | Trek Domane | Giant Contend |
| Fork | Trek Domane AL | Giant Advanced-Grade Composite, full-composite OverDrive steerer, 12x100mm thru-axle, disc |
| Shifter | Shimano Claris R2000 | Shimano 105 Di2 |
| Derailleur | Shimano Claris R2000 | Shimano 105 Di2 |
| Cassette | Shimano HG31 | Shimano 105 |
| Chain | Shimano HG71 | KMC X12L-1 |
| Crankset | Shimano Claris R2000 | Shimano 105 |
| Bottom bracket | Shimano UN300 | Shimano BB-RS501 |
| Wheelset | Bontrager Paradigm 23 | Giant P-R2 Disc |
| Tire | Bontrager Kwaremont Comp | Giant Gavia Fondo 2 |
| Brake | Tektro MD-C550 | Shimano 105 Di2 |
| Rotor | Tektro 160 | Giant MPH |
| Handlebar | Specialized Comp | Giant D-Fuse SL |
| Stem | Bontrager Elite | Giant Contact |
| Grips | Bontrager Supertack Perf | Velo Cork tape with gel |
| Seatpost | Bontrager Comp | Giant D-Fuse |
| Saddle | Bontrager Verse Short | Giant Approach |
| Headset | not listed | Giant OverDrive |
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