2027 Trek Domane AL 4 Gen 4 vs 2027 Trek Domane AL Gen 4
The 52 is the Trek Domane AL Gen 4 size closest to your 52 Trek Domane AL 4 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 Gen 4
Compared with the Trek Domane AL 4 Gen 4 in 52, the Trek Domane AL Gen 4 in 52 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
Only the Trek Domane AL 4 Gen 4 is drawn. The Trek Domane AL Gen 4 numbers we have for size 52 are missing the seat angle.
Geometry side by side
| Measurement | Trek Domane AL 4 Gen 4 52 | Trek Domane AL Gen 4 52 | Difference |
|---|---|---|---|
| Reach | 371 | 371 | ±0 mm |
| Stack | 561 | 561 | ±0 mm |
| Head tube angle | 71.3 | 71.3° | ±0.0° |
| Seat tube angle | 74.2 | not listed | |
| Effective top tube | 530 | 530 | ±0 mm |
| Chainstay length | 420 | 420 | ±0 mm |
| Wheelbase | 1003 | 1003 | ±0 mm |
| BB drop | 80 | 80 | ±0 mm |
| Standover | 735 | 735 | ±0 mm |
| Seat tube length | 475 | 475 | ±0 mm |
| Head tube length | 145 | 145 | ±0 mm |
Differences are the Trek Domane AL Gen 4 minus the Trek Domane AL 4 Gen 4. Full charts: 2027 Trek Domane AL 4 Gen 4, 2027 Trek Domane AL Gen 4.
Where each sits in its class
Trek Domane AL 4 Gen 4Trek Domane AL 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 4 Gen 4Gen 4 | Trek Domane AL Gen 4AL 2 Gen 4 |
|---|---|---|
| Frame | Trek Domane AL | not listed |
| Fork | Trek Domane AL | Trek Domane AL |
| Shifter | Shimano Tiagra R4020 | Shimano Claris ST-R2000-L |
| Derailleur | Shimano Tiagra R4000, Shimano Tiagra 4700 | Shimano Claris R2000 |
| Cassette | Shimano RS400 | Shimano HG-31 |
| Chain | Shimano LG500 | Shimano Sora HG71 |
| Crankset | Shimano Tiagra R4000 | Shimano RS200 |
| Chainring | Shimano Tiagra 4700 | not listed |
| Bottom bracket | Shimano RS501 | Shimano UN30 |
| Wheelset | Bontrager Paradigm 23 | not listed |
| Tire | Bontrager Kwaremont | Bontrager Kwaremont Comp |
| Hub | Formula RX-142, Formula RX-512 | Formula RX-142, Formula RX-512 |
| Rim | Bontrager Paradigm 23 | Bontrager Paradigm 23 |
| Rotor | Shimano SM-RT66 | Tektro Wave |
| Handlebar | Bontrager Comp | not listed |
| Stem | Bontrager Elite | not listed |
| Bar tape | Bontrager Supertack Perf | not listed |
| Headset | Bontrager Expander Plug | Bontrager Expander Plug |
| Seatpost | Bontrager Comp | not listed |
| Saddle | Trek Verse Short | Trek Verse |
| Brake | not listed | Tektro C550 |
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