2021 Cannondale Synapse Carbon vs 2021 Cannondale CAAD13 Disc
The 51 is the Cannondale CAAD13 Disc size closest to your 48 Cannondale Synapse Carbon. 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 CAAD13 Disc
Compared with the Cannondale Synapse Carbon in 48, the Cannondale CAAD13 Disc in 51 places the top of the head tube 5 mm higher and 7 mm further forward, relative to the bottom bracket.
- Frame stack
- +5 mm
- Higher front end
- Frame reach
- +7 mm
- Longer frame reach
- Wheelbase
- −2 mm
- About the same
- Head angle
- +0.4°
- Steeper: sharper steering
- Chainstays
- −2 mm
- About the same
The two frames
Cannondale Synapse Carbon, 48Cannondale CAAD13 Disc, 51Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Cannondale Synapse Carbon 48 | Cannondale CAAD13 Disc 51 | Difference |
|---|---|---|---|
| Reach | 371 | 378 | +7 mm |
| Stack | 530 | 535 | +5 mm |
| Head tube angle | 70.8 | 71.2 | +0.4° |
| Seat tube angle | 74.6 | 74.1 | −0.5° |
| Effective top tube | 517 | 530 | +13 mm |
| Chainstay length | 410 | 408 | −2 mm |
| Wheelbase | 996 | 994 | −2 mm |
| BB drop | 75 | 74 | −1 mm |
| BB height | 270 | 268 | −2 mm |
| Standover | 712 | 753 | +41 mm |
| Seat tube length | 407 | 481 | +74 mm |
| Head tube length | 122 | 130 | +8 mm |
Differences are the Cannondale CAAD13 Disc minus the Cannondale Synapse Carbon. Full charts: 2021 Cannondale Synapse Carbon, 2021 Cannondale CAAD13 Disc.
Where each sits in its class
Cannondale Synapse CarbonCannondale CAAD13 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 | Cannondale Synapse CarbonCarbon 105 | Cannondale CAAD13 DiscDisc 105 |
|---|---|---|
| Frame | Cannondale BallisTec | Cannondale SmartForm C1 |
| 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 Zaffiro Pro Bright | Vittoria Rubino Pro Bright |
| Rim | Cannondale RD 2.0 | Cannondale RD 2.0 |
| Brake | Shimano 105 | Shimano 105 |
| Bar tape | Cannondale Tape | Cannondale Tape |
| Headset | Synapse | CAAD13 |
| Saddle | Fabric Scoop | Prologo Nago RS STN |
| Seatpost | not listed | HollowGram 27 KNØT |
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