2026 Cannondale SuperX SMU vs 2026 Cannondale Super X
The 51 is the Cannondale Super X size closest to your 51 Cannondale SuperX SMU. 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 Super X
Compared with the Cannondale SuperX SMU in 51, the Cannondale Super X in 51 places the top of the head tube at about the same height and about as far forward, relative to the bottom bracket.
- Frame stack
- ±0 mm
- About the same height
- Frame reach
- ±0 mm
- About the same reach
- Wheelbase
- ±0 mm
- About the same
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- ±0 mm
- About the same
The two frames
Cannondale SuperX SMU, 51Cannondale Super X, 51Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Cannondale SuperX SMU 51 | Cannondale Super X 51 | Difference |
|---|---|---|---|
| Reach | 371 | 371 | ±0 mm |
| Stack | 535 | 535 | ±0 mm |
| Head tube angle | 71 | 71 | ±0.0° |
| Seat tube angle | 74.3 | 74.3 | ±0.0° |
| Effective top tube | 521 | 521 | ±0 mm |
| Chainstay length | 422 | 422 | ±0 mm |
| Wheelbase | 1005 | 1005 | ±0 mm |
| BB drop | 72 | 72 | ±0 mm |
| BB height | 288 | 288 | ±0 mm |
| Standover | 782 | 782 | ±0 mm |
| Seat tube length | 488 | 488 | ±0 mm |
| Fork length | 400 | 400 | ±0 mm |
| Head tube length | 108 | 108 | ±0 mm |
Differences are the Cannondale Super X minus the Cannondale SuperX SMU. Full charts: 2026 Cannondale SuperX SMU, 2026 Cannondale Super X.
Where each sits in its class
Cannondale SuperX SMUCannondale Super X
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 SuperX SMU1 SMU | Cannondale Super X1 |
|---|---|---|
| Frame | Cannondale SuperX | Cannondale SuperX |
| Fork | SuperX | SuperX |
| Shifter | SRAM Force AXS | SRAM Force AXS |
| Derailleur | SRAM Force XPLR AXS | SRAM Force XPLR AXS |
| Cassette | SRAM Force XPLR XG-1371 | SRAM Force XPLR XG-1371 |
| Chain | SRAM Force | SRAM Force |
| Crankset | SRAM Force XPLR AXS | SRAM Force XPLR AXS |
| Bottom bracket | SRAM DUB | SRAM DUB |
| Tire | Vittoria Terreno T50 | Vittoria Terreno T50 |
| Hub | DT Swiss 240 | DT Swiss 240 |
| Rim | DT Swiss GRC 1400 DICUT | DT Swiss GRC 1400 DICUT |
| Brake | SRAM Force AXS | SRAM Force AXS |
| Handlebar | Cannondale SystemBar | Cannondale SystemBar |
| Stem | Cannondale SystemBar | Cannondale SystemBar |
| Bar tape | Cannondale Tape | Cannondale Tape |
| Seatpost | Cannondale C1 | Cannondale C1 |
| Saddle | fizik Vento Argo X3 | fizik Vento Argo X3 |
| Chainring | not listed | SRAM Force XPLR AXS |
| Wheelset | not listed | DT Swiss GRC 1400 DICUT |
| Rotor | not listed | SRAM CenterLine X |
| Grips | not listed | Cannondale Bar Tape |
| Headset | not listed | Cannondale integrated |
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