2018 Cannondale Synapse Hi-MOD Disc eTap vs 2016 Specialized Roubaix SL4 Expert Disc UDi2
We can't match sizes for these two: one of them has no stack and reach for the sizes shown.
What changes on the Specialized Roubaix SL4 Expert Disc UDi2
- Frame stack
- n/a
- One of the bikes has no number for this
- Frame reach
- n/a
- One of the bikes has no number for this
- Wheelbase
- n/a
- One of the bikes has no number for this
- Head angle
- n/a
- One of the bikes has no number for this
- Chainstays
- n/a
- One of the bikes has no number for this
The two frames
We can't draw these frames yet. The Cannondale Synapse Hi-MOD Disc eTap numbers we have for size 48 are missing the reach, stack, head angle, seat angle, chainstay length and wheelbase. The numbers below still compare.
Geometry side by side
| Measurement | Cannondale Synapse Hi-MOD Disc eTap 48 | Specialized Roubaix SL4 Expert Disc UDi2 56.0 | Difference |
|---|---|---|---|
| Reach | not listed | 387 | |
| Stack | not listed | 590 | |
| Head tube angle | not listed | 72.5 | |
| Seat tube angle | not listed | 73.25 | |
| Effective top tube | not listed | 565 | |
| Wheelbase | not listed | 1011 | |
| BB drop | not listed | 71.5 | |
| BB height | not listed | 271 | |
| Standover | not listed | 798 | |
| Seat tube length | 407 | 515 | +108 mm |
| Head tube length | 122 | 190 | +68 mm |
| Chainstay length | not listed | 415 | |
| Fork length | not listed | 368 |
Differences are the Specialized Roubaix SL4 Expert Disc UDi2 minus the Cannondale Synapse Hi-MOD Disc eTap. Full charts: 2018 Cannondale Synapse Hi-MOD Disc eTap, 2016 Specialized Roubaix SL4 Expert Disc UDi2.
Where each sits in its class
Cannondale Synapse Hi-MOD Disc eTapSpecialized 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 | Cannondale Synapse Hi-MOD Disc eTapHi-MOD Disc RED eTap | Specialized Roubaix SL4 Expert Disc UDi2SL4 Expert Disc UDi2 |
|---|---|---|
| Frame | Cannondale Synapse | Specialized SL4 FACT |
| Fork | Synapse | Specialized FACT carbon |
| Shifter | SRAM RED ETAP HRD | Shimano 785 Di2 |
| Derailleur | SRAM RED E-TAP, SRAM RED eTap WiFli | Shimano Ultegra Di2 |
| Cassette | SRAM PG-1170 | Shimano Ultegra |
| Chain | SRAM PC-1170 | Shimano Ultegra |
| Crankset | SRAM RED | Shimano Ultegra |
| Wheelset | Cannondale HollowGram Si | Fulcrum S-19 |
| Brake | SRAM RED eTap hydro, SRAM RED eTap HRD | Shimano BR-785 |
| Handlebar | Cannondale Escape | Specialized Expert |
| Stem | Cannondale SAVE | Specialized Pro SL |
| Headset | Synapse Si | not listed |
| Seatpost | Cannondale SAVE | Specialized CG-R |
| Saddle | Fabric Scoop | Specialized Phenom Expert |
| Tire | not listed | Specialized Turbo Pro |
| Bar tape | not listed | Specialized CX Pro |
Know what is on every bike.
Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.
Explore the app



