2021 Trek Domane SLR Gen 3 vs 2023 Specialized Allez Sport
The 52 is the Specialized Allez Sport size closest to your 50 Trek Domane SLR Gen 3. 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 Specialized Allez Sport
Compared with the Trek Domane SLR Gen 3 in 50, the Specialized Allez Sport in 52 places the top of the head tube 6 mm higher and 4 mm further back, relative to the bottom bracket.
- Frame stack
- +6 mm
- Higher front end
- Frame reach
- −4 mm
- Shorter frame reach
- Wheelbase
- −1 mm
- About the same
- Head angle
- −0.1°
- About the same head angle
- Chainstays
- +5 mm
- Longer: more planted
The two frames
We can't draw these frames yet. The Trek Domane SLR Gen 3 numbers we have for size 50 are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Domane SLR Gen 3 50 | Specialized Allez Sport 52 | Difference |
|---|---|---|---|
| Reach | 368 | 364 | −4 mm |
| Stack | 546 | 552 | +6 mm |
| Head tube angle | 71.1° | 71° | −0.1° |
| Effective top tube | 519 | not listed | |
| Chainstay length | 420 | 425mm | +5 mm |
| Wheelbase | 996 | 995mm | −1 mm |
| BB drop | 80 | 77mm | −3 mm |
| Standover | 716 | 761mm | +45 mm |
| Seat tube length | 450 | 490mm | +40 mm |
| Head tube length | 130 | 140mm | +10 mm |
| Seat tube angle | not listed | 73.25° | |
| BB height | not listed | 273mm | |
| Fork length | not listed | 378mm |
Differences are the Specialized Allez Sport minus the Trek Domane SLR Gen 3. Full charts: 2021 Trek Domane SLR Gen 3, 2023 Specialized Allez Sport.
Where each sits in its class
Trek Domane SLR Gen 3Specialized Allez Sport
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 SLR Gen 3 | Specialized Allez SportSport |
|---|---|---|
| Frame | not listed | Specialized Allez E5 |
| Fork | not listed | Specialized FACT |
| Shifter | not listed | Shimano Tiagra |
| Derailleur | not listed | Shimano Tiagra |
| Chain | not listed | KMC X10 |
| Crankset | not listed | Praxis Alba |
| Chainring | not listed | Praxis Alba |
| Wheelset | not listed | Specialized Axis Sport |
| Tire | not listed | Specialized Roadsport |
| Brake | not listed | Shimano Tiagra |
| Handlebar | not listed | Specialized Shallow Drop |
| Saddle | not listed | Specialized Bridge Saddle |
Know what is on every bike.
Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.
Explore the app
