2021 Cannondale CAAD13 Disc vs 2021 Cannondale Synapse Carbon
The Cannondale Synapse Carbon size closest to your 56 is the 54. Compare the 54 instead
What changes on the Cannondale Synapse Carbon
Compared with the Cannondale CAAD13 Disc in 56, the Cannondale Synapse Carbon in 51 places the top of the head tube 25 mm lower and 12 mm further back, relative to the bottom bracket.
- Frame stack
- −25 mm
- Lower front end
- Frame reach
- −12 mm
- Shorter frame reach
- Wheelbase
- +2 mm
- About the same
- Head angle
- −1.3°
- Slacker: calmer steering
- Chainstays
- +2 mm
- About the same
The two frames
Cannondale CAAD13 Disc, 56Cannondale Synapse Carbon, 51Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Cannondale CAAD13 Disc 56 | Cannondale Synapse Carbon 51 | Difference |
|---|---|---|---|
| Reach | 389 | 377 | −12 mm |
| Stack | 575 | 550 | −25 mm |
| Head tube angle | 73 | 71.7 | −1.3° |
| Seat tube angle | 73.3 | 74.3 | +1.0° |
| Effective top tube | 562 | 531 | −31 mm |
| Chainstay length | 408 | 410 | +2 mm |
| Wheelbase | 992 | 994 | +2 mm |
| BB drop | 72 | 75 | +3 mm |
| BB height | 271 | 270 | −1 mm |
| Standover | 805 | 742 | −63 mm |
| Seat tube length | 540 | 443 | −97 mm |
| Head tube length | 164 | 137 | −27 mm |
Differences are the Cannondale Synapse Carbon minus the Cannondale CAAD13 Disc. Full charts: 2021 Cannondale CAAD13 Disc, 2021 Cannondale Synapse Carbon.
Where each sits in its class
Cannondale CAAD13 DiscCannondale Synapse Carbon
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 CAAD13 DiscDisc 105 | Cannondale Synapse CarbonCarbon 105 |
|---|---|---|
| Frame | Cannondale SmartForm C1 | Cannondale BallisTec |
| Fork | BallisTec | BallisTec |
| Shifter | Shimano 105 | Shimano 105 |
| Derailleur | Shimano 105, Shimano 105 GS | Shimano 105, Shimano 105 GS |
| Cassette | Shimano 105 | Shimano 105 |
| Chain | Shimano HG601 | Shimano HG601 |
| Crankset | Cannondale BB30a | Cannondale BB30a |
| Pedals | Not | Not |
| Tire | Vittoria Rubino Pro Bright | Vittoria Zaffiro Pro Bright |
| Rim | Cannondale RD 2.0 | Cannondale RD 2.0 |
| Brake | Shimano 105 | Shimano 105 |
| Bar tape | Cannondale Tape | Cannondale Tape |
| Headset | CAAD13 | Synapse |
| Seatpost | HollowGram 27 KNØT | not listed |
| Saddle | Prologo Nago RS STN | Fabric Scoop |
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