2018 Cervélo C2 vs 2016 Specialized Roubaix SL4 Expert Disc UDi2
The 49.0 is the Specialized Roubaix SL4 Expert Disc UDi2 size closest to your 48 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 48, the Specialized Roubaix SL4 Expert Disc UDi2 in 49.0 places the top of the head tube at about the same height and 26 mm further forward, relative to the bottom bracket. Its wheelbase is 11 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- +1 mm
- About the same height
- Frame reach
- +26 mm
- Longer frame reach
- Wheelbase
- −11 mm
- Shorter: quicker to change direction
- Head angle
- +2.0°
- Steeper: sharper steering
- Chainstays
- −8 mm
- Shorter: livelier
The two frames
Cervélo C2, 48Specialized Roubaix SL4 Expert Disc UDi2, 49.0Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Cervélo C2 48 | Specialized Roubaix SL4 Expert Disc UDi2 49.0 | Difference |
|---|---|---|---|
| Reach | 352 | 378 | +26 mm |
| Stack | 527 | 528 | +1 mm |
| Head tube angle | 70 | 72 | +2.0° |
| Seat tube angle | 73 | 75.5 | +2.5° |
| Effective top tube | 515 | 514 | −1 mm |
| Chainstay length | 420 | 412 | −8 mm |
| Wheelbase | 994 | 983 | −11 mm |
| BB drop | 77.5 | 73 | −5 mm |
| Standover | 693 | 730 | +37 mm |
| Head tube length | 108.9 | 125 | +16 mm |
| BB height | not listed | 269.5 | |
| Seat tube length | not listed | 445 | |
| 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.
What each ships with
The stock build of each bike's first listed trim. Parts that match are dimmed.
| Part | Cervélo C2 | Specialized Roubaix SL4 Expert Disc UDi2SL4 Expert Disc UDi2 |
|---|---|---|
| Frame | not listed | Specialized SL4 FACT |
| Fork | not listed | Specialized FACT carbon |
| Shifter | not listed | Shimano 785 Di2 |
| Derailleur | not listed | Shimano Ultegra Di2 |
| Cassette | not listed | Shimano Ultegra |
| Chain | not listed | Shimano Ultegra |
| Crankset | not listed | Shimano Ultegra |
| Wheelset | not listed | Fulcrum S-19 |
| Tire | not listed | Specialized Turbo Pro |
| Brake | not listed | Shimano BR-785 |
| Handlebar | not listed | Specialized Expert |
| Stem | not listed | Specialized Pro SL |
| Bar tape | not listed | Specialized CX Pro |
| Seatpost | not listed | Specialized CG-R |
| Saddle | not listed | Specialized Phenom Expert |
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