2016 Specialized Roubaix SL4 Expert Disc UDi2 vs 2018 Orbea Orca M20-Pro
We can't match sizes for these two: one of them has no stack and reach for the sizes shown.
What changes on the Orbea Orca M20-Pro
- Frame stack
- n/a
- One of the bikes has no number for this
- Frame reach
- n/a
- One of the bikes has no number for this
- Wheelbase
- n/a
- One of the bikes has no number for this
- Head angle
- −0.9°
- Slacker: calmer steering
- Chainstays
- n/a
- One of the bikes has no number for this
The two frames
Only the Specialized Roubaix SL4 Expert Disc UDi2 is drawn. The Orbea Orca M20-Pro numbers we have for size 53 are missing the reach, stack, chainstay length and wheelbase.
Geometry side by side
| Measurement | Specialized Roubaix SL4 Expert Disc UDi2 61.0 | Orbea Orca M20-Pro 53 | Difference |
|---|---|---|---|
| Reach | 398 | not listed | |
| Stack | 643 | not listed | |
| Head tube angle | 73 | 72.1 | −0.9° |
| Seat tube angle | 72.5 | 73.5 | +1.0° |
| Effective top tube | 601 | not listed | |
| Chainstay length | 420 | not listed | |
| Wheelbase | 1039 | not listed | |
| BB drop | 70 | 70 | ±0 mm |
| BB height | 272.5 | 271.5 | −1 mm |
| Standover | 851 | not listed | |
| Seat tube length | 565 | 490 | −75 mm |
| Fork length | 368 | not listed | |
| Head tube length | 245 | 145 | −100 mm |
Differences are the Orbea Orca M20-Pro minus the Specialized Roubaix SL4 Expert Disc UDi2. Full charts: 2016 Specialized Roubaix SL4 Expert Disc UDi2, 2018 Orbea Orca M20-Pro.
Where each sits in its class
Specialized Roubaix SL4 Expert Disc UDi2Orbea Orca M20-Pro
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 Expert Disc UDi2SL4 Expert Disc UDi2 | Orbea Orca M20-ProM20-Pro |
|---|---|---|
| Frame | Specialized SL4 FACT | Orbea Orca |
| Fork | Specialized FACT carbon | Orbea Orca OMP |
| Shifter | Shimano 785 Di2 | Shimano Ultegra |
| Derailleur | Shimano Ultegra Di2 | Shimano Ultegra |
| Cassette | Shimano Ultegra | Shimano Ultegra |
| Chain | Shimano Ultegra | KMC X11EL-1 |
| Crankset | Shimano Ultegra | Shimano Ultegra Mid Compact |
| Wheelset | Fulcrum S-19 | Mavic Ksyrium |
| Tire | Specialized Turbo Pro | Vittoria Rubino |
| Brake | Shimano BR-785 | Shimano Ultegra |
| Handlebar | Specialized Expert | FSA Energy Compact |
| Stem | Specialized Pro SL | FSA Energy |
| Bar tape | Specialized CX Pro | not listed |
| Seatpost | Specialized CG-R | FSA SL-K |
| Saddle | Specialized Phenom Expert | Prologo Kappa RS STN |
| Chainring | not listed | Shimano Ultegra |
| Headset | not listed | FSA Integrated Carbon Cup |
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