2027 Trek Domane AL Gen 4 vs 2027 Trek Domane AL 4 Gen 4
The Trek Domane AL 4 Gen 4 size closest to your 54 is the 54. Compare the 54 instead
What changes on the Trek Domane AL 4 Gen 4
Compared with the Trek Domane AL Gen 4 in 54, the Trek Domane AL 4 Gen 4 in 52 places the top of the head tube 14 mm lower and 3 mm further back, relative to the bottom bracket. Its wheelbase is 7 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −14 mm
- Lower front end
- Frame reach
- −3 mm
- Shorter frame reach
- Wheelbase
- −7 mm
- Shorter: quicker to change direction
- 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 54 are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Domane AL Gen 4 54 | Trek Domane AL 4 Gen 4 52 | Difference |
|---|---|---|---|
| Reach | 374 | 371 | −3 mm |
| Stack | 575 | 561 | −14 mm |
| Head tube angle | 71.3° | 71.3 | ±0.0° |
| Effective top tube | 542 | 530 | −12 mm |
| Chainstay length | 420 | 420 | ±0 mm |
| Wheelbase | 1010 | 1003 | −7 mm |
| BB drop | 80 | 80 | ±0 mm |
| Standover | 754 | 735 | −19 mm |
| Seat tube length | 500 | 475 | −25 mm |
| Head tube length | 160 | 145 | −15 mm |
| Seat tube angle | not listed | 74.2 |
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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