2017 Specialized Roubaix SL4 vs 2018 Cannondale Synapse Hi-MOD Disc
The 54 is the Cannondale Synapse Hi-MOD Disc size closest to your 54 Specialized Roubaix SL4. 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 Cannondale Synapse Hi-MOD Disc
Compared with the Specialized Roubaix SL4 in 54, the Cannondale Synapse Hi-MOD Disc in 54 places the top of the head tube 6 mm higher and about as far forward, relative to the bottom bracket. Its wheelbase is 8 mm longer, which can contribute to stability at speed.
- Frame stack
- +6 mm
- Higher front end
- Frame reach
- +2 mm
- About the same reach
- Wheelbase
- +8 mm
- Longer: steadier at speed
- Head angle
- −0.3°
- About the same head angle
- Chainstays
- n/a
- One of the bikes has no number for this
The two frames
Only the Specialized Roubaix SL4 is drawn. The Cannondale Synapse Hi-MOD Disc numbers we have for size 54 are missing the chainstay length.
Geometry side by side
| Measurement | Specialized Roubaix SL4 54 | Cannondale Synapse Hi-MOD Disc 54 | Difference |
|---|---|---|---|
| Reach | 380mm | 382 | +2 mm |
| Stack | 564mm | 570 | +6 mm |
| Head tube angle | 72° | 71.7 | −0.3° |
| Seat tube angle | 73.5° | 73.9 | +0.4° |
| Effective top tube | 547mm | 547 | ±0 mm |
| Chainstay length | 415mm | not listed | |
| Wheelbase | 1000mm | 1008 | +8 mm |
| BB drop | 71.5mm | 73 | +2 mm |
| BB height | 271mm | 272 | +1 mm |
| Standover | 776mm | 773 | −3 mm |
| Seat tube length | 495mm | 480 | −15 mm |
| Fork length | 368mm | not listed | |
| Head tube length | 165mm | 161 | −4 mm |
Differences are the Cannondale Synapse Hi-MOD Disc minus the Specialized Roubaix SL4. Full charts: 2017 Specialized Roubaix SL4, 2018 Cannondale Synapse Hi-MOD Disc.
Where each sits in its class
Specialized Roubaix SL4Cannondale Synapse Hi-MOD Disc
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 SL4SL4 | Cannondale Synapse Hi-MOD DiscHi-MOD Disc Dura-Ace |
|---|---|---|
| Frame | Specialized SL4 FACT | Cannondale Synapse |
| Shifter | Shimano Tiagra | Shimano Dura-Ace R9120 hydro |
| Derailleur | Shimano Tiagra | Shimano Dura-Ace R9100 |
| Cassette | Shimano Tiagra | Shimano Ultegra R6800 |
| Chain | KMC X-10 | Shimano HG701 |
| Crankset | Praxis Alba | Cannondale HollowGram Si |
| Wheelset | Specialized AXIS Elite | Cannondale HollowGram |
| Tire | Specialized Espoir Elite | not listed |
| Brake | Specialized Axis 1.0 | Shimano Dura-Ace R9170, Shimano Dura-Ace R9120 hydro |
| Seatpost | Specialized CG-R | Cannondale SAVE |
| Saddle | Specialized Toupé Sport | Fabric Scoop |
| Fork | not listed | Synapse |
| Handlebar | not listed | Cannondale C1 Ultralight |
| Stem | not listed | Cannondale SAVE |
| Headset | not listed | Synapse Si |
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