2021 Specialized Crux vs 2021 Cannondale SuperX
The 51 is the Cannondale SuperX size closest to your 49 Specialized Crux. 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 SuperX
Compared with the Specialized Crux in 49, the Cannondale SuperX in 51 places the top of the head tube 5 mm lower and about as far forward, relative to the bottom bracket.
- Frame stack
- −5 mm
- Lower front end
- Frame reach
- +2 mm
- About the same reach
- Wheelbase
- −2 mm
- About the same
- Head angle
- +0.5°
- Steeper: sharper steering
- Chainstays
- −3 mm
- Shorter: livelier
The two frames
Specialized Crux, 49Cannondale SuperX, 51Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Crux 49 | Cannondale SuperX 51 | Difference |
|---|---|---|---|
| Reach | 369mm | 371 | +2 mm |
| Stack | 540mm | 535 | −5 mm |
| Head tube angle | 70.5° | 71 | +0.5° |
| Seat tube angle | 75.5° | 74 | −1.5° |
| Chainstay length | 425mm | 422 | −3 mm |
| Wheelbase | 1007mm | 1005 | −2 mm |
| BB drop | 71mm | 70 | −1 mm |
| BB height | 281.5mm | 280 | −2 mm |
| Standover | 781.5mm | 773 | −9 mm |
| Seat tube length | 490mm | 488 | −2 mm |
| Fork length | 400mm | not listed | |
| Head tube length | 115mm | 110 | −5 mm |
| Effective top tube | not listed | 524 |
Differences are the Cannondale SuperX minus the Specialized Crux. Full charts: 2021 Specialized Crux, 2021 Cannondale SuperX.
Where each sits in its class
Specialized CruxCannondale SuperX
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 | Specialized CruxCrux | Cannondale SuperX1 |
|---|---|---|
| Shifter | SRAM Apex | Shimano GRX RX800 |
| Derailleur | SRAM Apex 1 | Shimano GRX RX800, Shimano GRX RX810 |
| Chain | KMC X11 Extra | KMC X11 |
| Crankset | Praxis Alba M30 | HollowGram |
| Bottom bracket | Praxis 6806 | Cannondale PressFit30 |
| Wheelset | Specialized AXIS Elite | not listed |
| Tire | Specialized Tracer Sport | WTB Nano TCS |
| Brake | SRAM Rival 1 | Shimano GRX RX800 |
| Saddle | Specialized Power Sport | Fabric Scoop |
| Frame | not listed | Cannondale BallisTec |
| Fork | not listed | BallisTec |
| Cassette | not listed | Shimano 105 |
| Pedals | not listed | Not |
| Bar tape | not listed | Cannondale Tape |
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