2016 Specialized Roubaix SL4 Expert Disc UDi2 vs 2018 Cannondale Synapse Hi-MOD Disc
The 56 is the Cannondale Synapse Hi-MOD Disc size closest to your 56.0 Specialized Roubaix SL4 Expert Disc UDi2. 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 Expert Disc UDi2 in 56.0, the Cannondale Synapse Hi-MOD Disc in 56 places the top of the head tube at about the same height and about as far forward, relative to the bottom bracket. Its wheelbase is 16 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- ±0 mm
- About the same height
- Frame reach
- −1 mm
- About the same reach
- Wheelbase
- −16 mm
- Shorter: quicker to change direction
- Head angle
- +0.5°
- Steeper: sharper steering
- Chainstays
- n/a
- One of the bikes has no number for this
The two frames
Only the Specialized Roubaix SL4 Expert Disc UDi2 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 SL4 Expert Disc UDi2 56.0 | Cannondale Synapse Hi-MOD Disc 56 | Difference |
|---|---|---|---|
| Reach | 387 | 386 | −1 mm |
| Stack | 590 | 590 | ±0 mm |
| Head tube angle | 72.5 | 73 | +0.5° |
| Seat tube angle | 73.25 | 73.5 | +0.3° |
| Effective top tube | 565 | 561 | −4 mm |
| Chainstay length | 415 | not listed | |
| Wheelbase | 1011 | 995 | −16 mm |
| BB drop | 71.5 | 73 | +2 mm |
| BB height | 271 | 272 | +1 mm |
| Standover | 798 | 804 | +6 mm |
| Seat tube length | 515 | 520 | +5 mm |
| Fork length | 368 | not listed | |
| Head tube length | 190 | 173 | −17 mm |
Differences are the Cannondale Synapse Hi-MOD Disc minus the Specialized Roubaix SL4 Expert Disc UDi2. Full charts: 2016 Specialized Roubaix SL4 Expert Disc UDi2, 2018 Cannondale Synapse Hi-MOD Disc.
Where each sits in its class
Specialized Roubaix SL4 Expert Disc UDi2Cannondale 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 SL4 Expert Disc UDi2SL4 Expert Disc UDi2 | Cannondale Synapse Hi-MOD DiscHi-MOD Disc Dura-Ace |
|---|---|---|
| Frame | Specialized SL4 FACT | Cannondale Synapse |
| Fork | Specialized FACT carbon | Synapse |
| Shifter | Shimano 785 Di2 | Shimano Dura-Ace R9120 hydro |
| Derailleur | Shimano Ultegra Di2 | Shimano Dura-Ace R9100 |
| Cassette | Shimano Ultegra | Shimano Ultegra R6800 |
| Chain | Shimano Ultegra | Shimano HG701 |
| Crankset | Shimano Ultegra | Cannondale HollowGram Si |
| Wheelset | Fulcrum S-19 | Cannondale HollowGram |
| Tire | Specialized Turbo Pro | not listed |
| Brake | Shimano BR-785 | Shimano Dura-Ace R9170, Shimano Dura-Ace R9120 hydro |
| Handlebar | Specialized Expert | Cannondale C1 Ultralight |
| Stem | Specialized Pro SL | Cannondale SAVE |
| Bar tape | Specialized CX Pro | not listed |
| Seatpost | Specialized CG-R | Cannondale SAVE |
| Saddle | Specialized Phenom Expert | Fabric Scoop |
| Headset | not listed | Synapse Si |
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