2018 Cervélo C2 vs 2016 Specialized Roubaix SL4 Expert Disc UDi2
The 54.0 is the Specialized Roubaix SL4 Expert Disc UDi2 size closest to your 54 Cervélo C2. 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 Specialized Roubaix SL4 Expert Disc UDi2
Compared with the Cervélo C2 in 54, the Specialized Roubaix SL4 Expert Disc UDi2 in 54.0 places the top of the head tube 8 mm lower and 8 mm further forward, relative to the bottom bracket. Its wheelbase is 7 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −8 mm
- Lower front end
- Frame reach
- +8 mm
- Longer frame reach
- Wheelbase
- −7 mm
- Shorter: quicker to change direction
- Head angle
- +0.9°
- Steeper: sharper steering
- Chainstays
- −5 mm
- Shorter: livelier
The two frames
Cervélo C2, 54Specialized Roubaix SL4 Expert Disc UDi2, 54.0Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Cervélo C2 54 | Specialized Roubaix SL4 Expert Disc UDi2 54.0 | Difference |
|---|---|---|---|
| Reach | 372 | 380 | +8 mm |
| Stack | 572 | 564 | −8 mm |
| Head tube angle | 71.1 | 72 | +0.9° |
| Seat tube angle | 73 | 73.5 | +0.5° |
| Effective top tube | 548 | 547 | −1 mm |
| Chainstay length | 420 | 415 | −5 mm |
| Wheelbase | 1007 | 1000 | −7 mm |
| BB drop | 75 | 71.5 | −4 mm |
| Standover | 755 | 776 | +21 mm |
| Head tube length | 155.8 | 165 | +9 mm |
| BB height | not listed | 271 | |
| Seat tube length | not listed | 495 | |
| Fork length | not listed | 368 |
Differences are the Specialized Roubaix SL4 Expert Disc UDi2 minus the Cervélo C2. Full charts: 2018 Cervélo C2, 2016 Specialized Roubaix SL4 Expert Disc UDi2.
Where each sits in its class
Cervélo C2Specialized Roubaix SL4 Expert Disc UDi2
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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