2018 Specialized Roubaix Comp Sagan Collection vs 2018 Trek Domane
The 56 is the Trek Domane size closest to your 56 Specialized Roubaix Comp Sagan Collection. 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
Compared with the Specialized Roubaix Comp Sagan Collection in 56, the Trek Domane in 56 places the top of the head tube 20 mm lower and 4 mm further back, relative to the bottom bracket. Its wheelbase is 15 mm longer, which can contribute to stability at speed.
- Frame stack
- −20 mm
- Lower front end
- Frame reach
- −4 mm
- Shorter frame reach
- Wheelbase
- +15 mm
- Longer: steadier at speed
- Head angle
- −1.6°
- Slacker: calmer steering
- Chainstays
- +5 mm
- Longer: more planted
The two frames
Specialized Roubaix Comp Sagan Collection, 56Trek Domane, 56Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Roubaix Comp Sagan Collection 56 | Trek Domane 56 | Difference |
|---|---|---|---|
| Reach | 381mm | 377 | −4 mm |
| Stack | 611mm | 591 | −20 mm |
| Head tube angle | 73.5° | 71.9 | −1.6° |
| Seat tube angle | 73.5° | 73.3 | −0.2° |
| Effective top tube | 561.8mm | 554 | −8 mm |
| Chainstay length | 415mm | 420 | +5 mm |
| Wheelbase | 993mm | 1008 | +15 mm |
| BB drop | 76mm | 78 | +2 mm |
| Standover | 785mm | 776 | −9 mm |
| Seat tube length | 501mm | 525 | +24 mm |
| Head tube length | 150mm | 175 | +25 mm |
Differences are the Trek Domane minus the Specialized Roubaix Comp Sagan Collection. Full charts: 2018 Specialized Roubaix Comp Sagan Collection, 2018 Trek Domane.
Where each sits in its class
Specialized Roubaix Comp Sagan CollectionTrek Domane
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 | Specialized Roubaix Comp Sagan CollectionComp Sagan Collection | Trek Domane |
|---|---|---|
| Shifter | Shimano Ultegra | not listed |
| Derailleur | Shimano Ultegra R8000 | not listed |
| Cassette | Shimano 105 | not listed |
| Chain | KMC X11 EL | not listed |
| Crankset | Praxis Zayante | not listed |
| Wheelset | Roval SLX 24 | not listed |
| Tire | Specialized Turbo Pro | not listed |
| Handlebar | Specialized Comp Hover | not listed |
| Seatpost | Specialized S-Works CG-R | not listed |
| Saddle | Specialized Phenom Comp | not listed |
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