2026 BMC Roadmachine TWO vs 2026 Specialized Roubaix SL8 Sport
We can't match sizes for these two: one of them has no stack and reach for the sizes shown.
What changes on the Specialized Roubaix SL8 Sport
- 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
- +0.8°
- Steeper: sharper steering
- Chainstays
- n/a
- One of the bikes has no number for this
The two frames
We can't draw these frames yet. The BMC Roadmachine TWO numbers we have for size 54 are missing the reach, stack, seat angle, chainstay length and wheelbase. The numbers below still compare.
Geometry side by side
| Measurement | BMC Roadmachine TWO 54 | Specialized Roubaix SL8 Sport 56 | Difference |
|---|---|---|---|
| Head tube angle | 72.2 | 73 | +0.8° |
| Seat tube angle | not listed | 73.5 | |
| Standover | 770 | 787 | +17 mm |
| Fork length | not listed | 375 | |
| Reach | not listed | 389 | |
| Stack | not listed | 605 | |
| Effective top tube | not listed | 569 | |
| Chainstay length | not listed | 420 | |
| BB drop | not listed | 78 | |
| BB height | not listed | 270 | |
| Seat tube length | not listed | 485 | |
| Head tube length | not listed | 140 |
Differences are the Specialized Roubaix SL8 Sport minus the BMC Roadmachine TWO. Full charts: 2026 BMC Roadmachine TWO, 2026 Specialized Roubaix SL8 Sport.
Where each sits in its class
BMC Roadmachine TWOSpecialized Roubaix SL8 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 | BMC Roadmachine TWOTWO | Specialized Roubaix SL8 SportSL8 Sport |
|---|---|---|
| Frame | BMC Roadmachine | Specialized FACT 10R |
| Shifter | Shimano 105 R7170 | Shimano 105 R7120 |
| Derailleur | Shimano 105 R7150 Di2, Shimano 105 R7150 | Shimano 105 Di2, Shimano 105 R7100 |
| Cassette | Shimano CS-HG710 | Shimano 105 |
| Chain | Shimano Deore M6100 | Shimano SLX M7100 |
| Crankset | Shimano 105 R7100 | Shimano 105 |
| Chainring | Shimano 50T, Shimano 34T | not listed |
| Bottom bracket | Shimano BB-RS500-PB | Shimano Threaded BSA |
| Wheelset | PRD23 | DT Swiss G540 |
| Tire | Vittoria Rubino V | Specialized Mondo |
| Brake | Shimano 105 R7170 Di2 | Shimano CUES |
| Rotor | Shimano SM-RT70, Shimano 160mm | not listed |
| Handlebar | BMC HB D4 03 | Specialized Hover |
| Stem | BMC RSM 01 | Specialized Future Pro |
| Seatpost | BMC Roadmachine Carbon D-shaped | Specialized Pavé |
| Saddle | Selle Italia Model X Superflow | Specialized Power Sport |
| Bag | Storage Pouch | not listed |
| Light | BMC Integrated Rear Light 25 | not listed |
| Fork | not listed | Specialized Future Shock 3.2 |
| Grips | not listed | Supacaz Super Sticky Kush |
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