2027 Trek Domane AL Gen 4 vs 2027 Trek Domane AL 4 Gen 4
The 58 is the Trek Domane AL 4 Gen 4 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 Trek Domane AL 4 Gen 4
Compared with the Trek Domane AL Gen 4 in 58, the Trek Domane AL 4 Gen 4 in 58 places the top of the head tube at about the same height and about as far forward, relative to the bottom bracket.
- Frame stack
- ±0 mm
- About the same height
- Frame reach
- ±0 mm
- About the same reach
- Wheelbase
- ±0 mm
- About the same
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- ±0 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 58 are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Domane AL Gen 4 58 | Trek Domane AL 4 Gen 4 58 | Difference |
|---|---|---|---|
| Reach | 380 | 380 | ±0 mm |
| Stack | 611 | 611 | ±0 mm |
| Head tube angle | 72.0° | 72.0 | ±0.0° |
| Effective top tube | 567 | 567 | ±0 mm |
| Chainstay length | 425 | 425 | ±0 mm |
| Wheelbase | 1022 | 1022 | ±0 mm |
| BB drop | 78 | 78 | ±0 mm |
| Standover | 796 | 796 | ±0 mm |
| Seat tube length | 548 | 548 | ±0 mm |
| Head tube length | 195 | 195 | ±0 mm |
| Seat tube angle | not listed | 73.0 |
Differences are the Trek Domane AL 4 Gen 4 minus the Trek Domane AL Gen 4. Full charts: 2027 Trek Domane AL Gen 4, 2027 Trek Domane AL 4 Gen 4.
Where each sits in its class
Trek Domane AL Gen 4Trek Domane AL 4 Gen 4
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 | Trek Domane AL 4 Gen 4Gen 4 |
|---|---|---|
| Fork | Trek Domane AL | Trek Domane AL |
| Shifter | Shimano Claris ST-R2000-L | Shimano Tiagra R4020 |
| Derailleur | Shimano Claris R2000 | Shimano Tiagra R4000, Shimano Tiagra 4700 |
| Cassette | Shimano HG-31 | Shimano RS400 |
| Chain | Shimano Sora HG71 | Shimano LG500 |
| Crankset | Shimano RS200 | Shimano Tiagra R4000 |
| Bottom bracket | Shimano UN30 | Shimano RS501 |
| Tire | Bontrager Kwaremont Comp | Bontrager Kwaremont |
| Hub | Formula RX-142, Formula RX-512 | Formula RX-142, Formula RX-512 |
| Rim | Bontrager Paradigm 23 | Bontrager Paradigm 23 |
| Brake | Tektro C550 | not listed |
| Rotor | Tektro Wave | Shimano SM-RT66 |
| Headset | Bontrager Expander Plug | Bontrager Expander Plug |
| Saddle | Trek Verse | Trek Verse Short |
| Frame | not listed | Trek Domane AL |
| Chainring | not listed | Shimano Tiagra 4700 |
| Wheelset | not listed | Bontrager Paradigm 23 |
| Handlebar | not listed | Bontrager Comp |
| Stem | not listed | Bontrager Elite |
| Bar tape | not listed | Bontrager Supertack Perf |
| Seatpost | not listed | Bontrager Comp |
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