2019 Cannondale SuperX vs 2021 Specialized Crux Pro
The 49 is the Specialized Crux Pro size closest to your 51 Cannondale SuperX. 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 Specialized Crux Pro
Compared with the Cannondale SuperX in 51, the Specialized Crux Pro in 49 places the top of the head tube 5 mm higher and about as far forward, relative to the bottom bracket.
- Frame stack
- +5 mm
- Higher front end
- Frame reach
- −2 mm
- About the same reach
- Wheelbase
- +2 mm
- About the same
- Head angle
- −0.5°
- Slacker: calmer steering
- Chainstays
- +3 mm
- Longer: more planted
The two frames
Cannondale SuperX, 51Specialized Crux Pro, 49Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Cannondale SuperX 51 | Specialized Crux Pro 49 | Difference |
|---|---|---|---|
| Reach | 371 | 369mm | −2 mm |
| Stack | 535 | 540mm | +5 mm |
| Head tube angle | 71 | 70.5° | −0.5° |
| Seat tube angle | 74 | 75.5° | +1.5° |
| Effective top tube | 524 | not listed | |
| Chainstay length | 422 | 425mm | +3 mm |
| Wheelbase | 1005 | 1007mm | +2 mm |
| BB drop | 70 | 71mm | +1 mm |
| BB height | 280 | 281.5mm | +2 mm |
| Standover | 773 | 781.5mm | +9 mm |
| Seat tube length | 488 | 490mm | +2 mm |
| Head tube length | 110 | 115mm | +5 mm |
| Fork length | not listed | 400mm |
Differences are the Specialized Crux Pro minus the Cannondale SuperX. Full charts: 2019 Cannondale SuperX, 2021 Specialized Crux Pro.
Where each sits in its class
Cannondale SuperXSpecialized Crux Pro
Each bike is ranked against the other gravel 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 SuperXDi2 | Specialized Crux ProPro |
|---|---|---|
| Frame | Cannondale SuperX | not listed |
| Fork | SuperX | not listed |
| Shifter | Shimano Ultegra hydro | SRAM Force eTap AXS |
| Derailleur | Shimano XT Di2 GS | SRAM Force eTAP AXS |
| Cassette | Shimano Ultegra | SRAM Force |
| Chain | Shimano HG601 | SRAM Force |
| Crankset | Cannondale HollowGram Si | SRAM Force |
| Bottom bracket | Cannondale PressFit30 | SRAM DUB |
| Tire | Vittoria Terreno Mix TNT | Specialized Tracer Pro |
| Hub | Cannondale HollowGram | not listed |
| Rim | Cannondale HollowGram Si | not listed |
| Brake | Shimano Ultegra hydro, Shimano Ultegra Di2 hydro | SRAM Rival 1 |
| Handlebar | Cannondale C1 Ultralight | not listed |
| Stem | Cannondale C1 Ultralight | not listed |
| Seatpost | Cannondale SAVE | Roval Terra |
| Saddle | Fabric Scoop | Specialized Power |
| Wheelset | not listed | Roval Terra CL |
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