2024 Specialized Roubaix SL8 Sport vs 2025 Trek Domane SL Gen 2 Rim
The 62 is the Trek Domane SL Gen 2 Rim size closest to your 61 Specialized Roubaix SL8 Sport. 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 SL Gen 2 Rim
Compared with the Specialized Roubaix SL8 Sport in 61, the Trek Domane SL Gen 2 Rim in 62 places the top of the head tube 9 mm lower and 17 mm further back, relative to the bottom bracket.
- Frame stack
- −9 mm
- Lower front end
- Frame reach
- −17 mm
- Shorter frame reach
- Wheelbase
- ±0 mm
- About the same
- Head angle
- −1.4°
- Slacker: calmer steering
- Chainstays
- +2 mm
- About the same
The two frames
Only the Specialized Roubaix SL8 Sport is drawn. The Trek Domane SL Gen 2 Rim numbers we have for size 62 are missing the seat angle.
Geometry side by side
| Measurement | Specialized Roubaix SL8 Sport 61 | Trek Domane SL Gen 2 Rim 62 | Difference |
|---|---|---|---|
| Reach | 403mm | 386 | −17 mm |
| Stack | 665mm | 656 | −9 mm |
| Head tube angle | 73.5° | 72.1° | −1.4° |
| Seat tube angle | 73.5° | not listed | |
| Chainstay length | 423mm | 425 | +2 mm |
| Wheelbase | 1042mm | 1042 | ±0 mm |
| BB drop | 78mm | 75 | −3 mm |
| BB height | 271mm | not listed | |
| Standover | 847mm | 835 | −12 mm |
| Seat tube length | 545mm | 586 | +41 mm |
| Fork length | 375mm | not listed | |
| Head tube length | 202mm | 245 | +43 mm |
| Effective top tube | not listed | 593 |
Differences are the Trek Domane SL Gen 2 Rim minus the Specialized Roubaix SL8 Sport. Full charts: 2024 Specialized Roubaix SL8 Sport, 2025 Trek Domane SL Gen 2 Rim.
Where each sits in its class
Specialized Roubaix SL8 SportTrek Domane SL Gen 2 Rim
Each bike is ranked against the other road bikes on Quiver, on frame geometry alone. Not your hand position or ride feel.
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