2018 Specialized Roubaix Expert vs 2018 Cannondale Synapse Hi-MOD Disc
The 51 is the Cannondale Synapse Hi-MOD Disc size closest to your 49 Specialized Roubaix Expert. 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 Expert in 49, the Cannondale Synapse Hi-MOD Disc in 51 places the top of the head tube at about the same height and 8 mm further forward, relative to the bottom bracket. Its wheelbase is 13 mm longer, which can contribute to stability at speed.
- Frame stack
- +1 mm
- About the same height
- Frame reach
- +8 mm
- Longer frame reach
- Wheelbase
- +13 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 Expert is drawn. The Cannondale Synapse Hi-MOD Disc numbers we have for size 51 are missing the chainstay length.
Geometry side by side
| Measurement | Specialized Roubaix Expert 49 | Cannondale Synapse Hi-MOD Disc 51 | Difference |
|---|---|---|---|
| Reach | 369mm | 377 | +8 mm |
| Stack | 549mm | 550 | +1 mm |
| Head tube angle | 72° | 71.7 | −0.3° |
| Seat tube angle | 74° | 74.3 | +0.3° |
| Effective top tube | 527mm | 531 | +4 mm |
| Chainstay length | 413mm | not listed | |
| Wheelbase | 981mm | 994 | +13 mm |
| BB drop | 77.5mm | not listed | |
| Standover | 715.5mm | 742 | +27 mm |
| Seat tube length | 425mm | 443 | +18 mm |
| Head tube length | 90mm | 137 | +47 mm |
| BB height | not listed | not listed |
Differences are the Cannondale Synapse Hi-MOD Disc minus the Specialized Roubaix Expert. Full charts: 2018 Specialized Roubaix Expert, 2018 Cannondale Synapse Hi-MOD Disc.
Where each sits in its class
Specialized Roubaix ExpertCannondale 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 ExpertExpert | Cannondale Synapse Hi-MOD DiscHi-MOD Disc Dura-Ace |
|---|---|---|
| Shifter | Shimano Ultegra R8020 | Shimano Dura-Ace R9120 hydro |
| Derailleur | Shimano Ultegra R8000 | Shimano Dura-Ace R9100 |
| Cassette | Shimano Ultegra R8000 | Shimano Ultegra R6800 |
| Chain | Shimano Ultegra | Shimano HG701 |
| Crankset | Shimano Ultegra R8000 | Cannondale HollowGram Si |
| Bottom bracket | Shimano Ultegra | not listed |
| Wheelset | Roval SLX 24 | Cannondale HollowGram |
| Tire | Specialized Turbo Pro | not listed |
| Brake | Shimano Ultegra R8020 | Shimano Dura-Ace R9170, Shimano Dura-Ace R9120 hydro |
| Handlebar | Specialized Expert Hover | Cannondale C1 Ultralight |
| Seatpost | Specialized CG-R | Cannondale SAVE |
| Saddle | Specialized Phenom Expert | Fabric Scoop |
| Frame | not listed | Cannondale Synapse |
| Fork | not listed | Synapse |
| Stem | not listed | Cannondale SAVE |
| Headset | not listed | Synapse Si |
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