2026 Cannondale SuperX SMU vs 2024 Colnago C68 Gravel
The 540 is the Colnago C68 Gravel size closest to your 61 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 Colnago C68 Gravel
Compared with the Cannondale SuperX SMU in 61, the Colnago C68 Gravel in 540 places the top of the head tube 10 mm lower and 10 mm further forward, relative to the bottom bracket. Its wheelbase is 4 mm longer, which can contribute to stability at speed.
- Frame stack
- −10 mm
- Lower front end
- Frame reach
- +10 mm
- Longer frame reach
- Wheelbase
- +4 mm
- Longer: steadier at speed
- Head angle
- −0.5°
- Slacker: calmer steering
- Chainstays
- +3 mm
- Longer: more planted
The two frames
Cannondale SuperX SMU, 61Colnago C68 Gravel, 540Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Cannondale SuperX SMU 61 | Colnago C68 Gravel 540 | Difference |
|---|---|---|---|
| Reach | 398 | 408 | +10 mm |
| Stack | 615 | 605 | −10 mm |
| Head tube angle | 71 | 70.5 | −0.5° |
| Seat tube angle | 72.3 | 73.2 | +0.9° |
| Effective top tube | 594 | 590 | −4 mm |
| Chainstay length | 422 | 425 | +3 mm |
| Wheelbase | 1062 | 1066.3 | +4 mm |
| BB drop | 67 | 74 | +7 mm |
| BB height | 293 | not listed | |
| Standover | 849 | not listed | |
| Seat tube length | 589 | 540 | −49 mm |
| Fork length | 400 | 409 | +9 mm |
| Head tube length | 198 | 185 | −13 mm |
Differences are the Colnago C68 Gravel minus the Cannondale SuperX SMU. Full charts: 2026 Cannondale SuperX SMU, 2024 Colnago C68 Gravel.
Where each sits in its class
Cannondale SuperX SMUColnago C68 Gravel
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 | Colnago C68 GravelC68 Gravel |
|---|---|---|
| Frame | Cannondale SuperX | Colnago C68 Gravel |
| Fork | SuperX | not listed |
| Shifter | SRAM Force AXS | not listed |
| Derailleur | SRAM Force XPLR AXS | not listed |
| Cassette | SRAM Force XPLR XG-1371 | Shimano Deore |
| Chain | SRAM Force | not listed |
| Crankset | SRAM Force XPLR AXS | Shimano GRX |
| Bottom bracket | SRAM DUB | T47 |
| Tire | Vittoria Terreno T50 | Pirelli Cinturato Gravel H |
| Hub | DT Swiss 240 | not listed |
| Rim | DT Swiss GRC 1400 DICUT | not listed |
| Brake | SRAM Force AXS | Shimano GRX RX820 |
| Handlebar | Cannondale SystemBar | Colnago CC.01 Wide |
| Stem | Cannondale SystemBar | not listed |
| Bar tape | Cannondale Tape | not listed |
| Seatpost | Cannondale C1 | not listed |
| Saddle | fizik Vento Argo X3 | Prologo Dimension |
| Chainring | not listed | Shimano GRX |
| Wheelset | not listed | Fulcrum Rapid Red 900 |
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