2017 Specialized Roubaix Boonen vs 2018 Cannondale Synapse Hi-MOD Disc
The 56 is the Cannondale Synapse Hi-MOD Disc size closest to your 54 Specialized Roubaix Boonen. 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 Boonen in 54, the Cannondale Synapse Hi-MOD Disc in 56 places the top of the head tube 5 mm higher and 11 mm further forward, relative to the bottom bracket. Its wheelbase is 8 mm longer, which can contribute to stability at speed.
- Frame stack
- +5 mm
- Higher front end
- Frame reach
- +11 mm
- Longer frame 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 Boonen is drawn. The Cannondale Synapse Hi-MOD Disc numbers we have for size 56 are missing the chainstay length.
Geometry side by side
| Measurement | Specialized Roubaix Boonen 54 | Cannondale Synapse Hi-MOD Disc 56 | Difference |
|---|---|---|---|
| Reach | 375mm | 386 | +11 mm |
| Stack | 585mm | 590 | +5 mm |
| Head tube angle | 72.75° | 73 | +0.3° |
| Seat tube angle | 74° | 73.5 | −0.5° |
| Effective top tube | 545mm | 561 | +16 mm |
| Chainstay length | 415mm | not listed | |
| Wheelbase | 987mm | 995 | +8 mm |
| BB drop | 76mm | 73 | −3 mm |
| Standover | 762mm | 804 | +42 mm |
| Seat tube length | 481mm | 520 | +39 mm |
| Head tube length | 125mm | 173 | +48 mm |
| BB height | not listed | 272 |
Differences are the Cannondale Synapse Hi-MOD Disc minus the Specialized Roubaix Boonen. Full charts: 2017 Specialized Roubaix Boonen, 2018 Cannondale Synapse Hi-MOD Disc.
Where each sits in its class
Specialized Roubaix BoonenCannondale 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 BoonenS-Works Boonen | Cannondale Synapse Hi-MOD DiscHi-MOD Disc Dura-Ace |
|---|---|---|
| Seatpost | Specialized CG-R | Cannondale SAVE |
| Frame | not listed | Cannondale Synapse |
| Fork | not listed | Synapse |
| Shifter | not listed | Shimano Dura-Ace R9120 hydro |
| Derailleur | not listed | Shimano Dura-Ace R9100 |
| Cassette | not listed | Shimano Ultegra R6800 |
| Chain | not listed | Shimano HG701 |
| Crankset | not listed | Cannondale HollowGram Si |
| Wheelset | not listed | Cannondale HollowGram |
| Brake | not listed | Shimano Dura-Ace R9170, Shimano Dura-Ace R9120 hydro |
| Handlebar | not listed | Cannondale C1 Ultralight |
| Stem | not listed | Cannondale SAVE |
| Headset | not listed | Synapse Si |
| Saddle | not listed | Fabric Scoop |
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