2015 Specialized Roubaix SL4 Comp vs 2017 Trek Émonda SL
The Trek Émonda SL size closest to your 54 is the 54. Compare the 54 instead
What changes on the Trek Émonda SL
Compared with the Specialized Roubaix SL4 Comp in 54, the Trek Émonda SL in 47 places the top of the head tube 41 mm lower and 11 mm further back, relative to the bottom bracket. Its wheelbase is 26 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −41 mm
- Lower front end
- Frame reach
- −11 mm
- Shorter frame reach
- Wheelbase
- −26 mm
- Shorter: quicker to change direction
- Head angle
- −0.8°
- Slacker: calmer steering
- Chainstays
- −5 mm
- Shorter: livelier
The two frames
Only the Specialized Roubaix SL4 Comp is drawn. The Trek Émonda SL numbers we have for size 47 are missing the seat angle.
Geometry side by side
| Measurement | Specialized Roubaix SL4 Comp 54 | Trek Émonda SL 47 | Difference |
|---|---|---|---|
| Reach | 380mm | 369 | −11 mm |
| Stack | 563mm | 522 | −41 mm |
| Head tube angle | 72° | 71.2° | −0.8° |
| Seat tube angle | 73.5° | not listed | |
| Chainstay length | 415mm | 410 | −5 mm |
| Wheelbase | 1000mm | 974 | −26 mm |
| Standover | 776mm | 698 | −78 mm |
| Seat tube length | 495mm | 444 | −51 mm |
| Head tube length | 165mm | 115 | −50 mm |
| Effective top tube | not listed | 513 | |
| BB drop | not listed | 72 |
Differences are the Trek Émonda SL minus the Specialized Roubaix SL4 Comp. Full charts: 2015 Specialized Roubaix SL4 Comp, 2017 Trek Émonda SL.
Where each sits in its class
Specialized Roubaix SL4 CompTrek Émonda SL
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 SL4 CompSL4 Comp | Trek Émonda SLSL 5 |
|---|---|---|
| Frame | Specialized SL4 FACT | Trek Ultralight 500 |
| Shifter | Shimano Ultegra | Shimano 105 |
| Derailleur | Shimano Ultegra Di2, Shimano Ultegra | Shimano 105 |
| Cassette | Shimano 105 | Shimano 105 |
| Chain | Shimano 105 | Shimano 105 |
| Crankset | Praxis TURN Zayante | Shimano 105 |
| Wheelset | Fulcrum S4 | not listed |
| Tire | Specialized Turbo Pro | Bontrager R2 Hard-Case Lite |
| Brake | Shimano 105 | Shimano 105 |
| Seatpost | Specialized CG-R | Bontrager Tuned |
| Saddle | Specialized Toupe | Bontrager Montrose |
| Bottom bracket | not listed | Trek BB90 |
| Handlebar | not listed | Bontrager Elite VR-C |
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