2026 Santa Cruz Stigmata Rudy vs 2024 Colnago C68 Gravel
The 450 is the Colnago C68 Gravel size closest to your XS Santa Cruz Stigmata Rudy. 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 Santa Cruz Stigmata Rudy in XS, the Colnago C68 Gravel in 450 places the top of the head tube 9 mm lower and about as far forward, relative to the bottom bracket. Its wheelbase is 13 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −9 mm
- Lower front end
- Frame reach
- ±0 mm
- About the same reach
- Wheelbase
- −13 mm
- Shorter: quicker to change direction
- Head angle
- n/a
- One of the bikes has no number for this
- Chainstays
- +2 mm
- About the same
The two frames
Only the Santa Cruz Stigmata Rudy is drawn. The Colnago C68 Gravel numbers we have for size 450 are missing the head angle.
Geometry side by side
| Measurement | Santa Cruz Stigmata Rudy XS | Colnago C68 Gravel 450 | Difference |
|---|---|---|---|
| Reach | 375 | 375 | ±0 mm |
| Stack | 550 | 541 | −9 mm |
| Head tube angle | 69.5 | not listed | |
| Seat tube angle | 74 | 75 | +1.0° |
| Effective top tube | 533 | 520 | −13 mm |
| Chainstay length | 423 | 425 | +2 mm |
| Wheelbase | 1023 | 1009.9 | −13 mm |
| BB drop | 78 | 74 | −4 mm |
| BB height | 278 | not listed | |
| Seat tube length | 450 | 450 | ±0 mm |
| Head tube length | 90 | 115 | +25 mm |
| Fork length | not listed | 409 |
Differences are the Colnago C68 Gravel minus the Santa Cruz Stigmata Rudy. Full charts: 2026 Santa Cruz Stigmata Rudy, 2024 Colnago C68 Gravel.
Where each sits in its class
Santa Cruz Stigmata RudyColnago 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 | Santa Cruz Stigmata RudyForce 1x AXS RSV Rudy | Colnago C68 GravelC68 Gravel |
|---|---|---|
| Frame | Santa Cruz Stigmata | Colnago C68 Gravel |
| Fork | RockShox Rudy XPLR Ultimate | not listed |
| Shifter | SRAM Force AXS | not listed |
| Derailleur | SRAM X0 Eagle Transmission | not listed |
| Cassette | SRAM X0 1295 Eagle Transmission | Shimano Deore |
| Chain | SRAM X0 Eagle Transmission | not listed |
| Crankset | SRAM Force XPLR | Shimano GRX |
| Chainring | SRAM 42 | Shimano GRX |
| Bottom bracket | SRAM DUB | T47 |
| Wheelset | Reserve 25|GR DT Swiss 350 | Fulcrum Rapid Red 900 |
| Tire | Maxxis Rambler | Pirelli Cinturato Gravel H |
| Hub | DT Swiss 350 | not listed |
| Rim | Reserve 25|GR | not listed |
| Brake | SRAM Force | Shimano GRX RX820 |
| Rotor | SRAM CenterLine | not listed |
| Handlebar | Zipp Service Course SL-70 XPLR Bar | Colnago CC.01 Wide |
| Stem | Zipp Service Course Stem | not listed |
| Grips | Velo Bar Tape | not listed |
| Headset | Cane Creek 40 | not listed |
| Dropper post | RockShox Reverb AXS XPLR | not listed |
| Seatpost | RockShox Reverb AXS XPLR | not listed |
| Saddle | WTB Silverado Medium Fusion | Prologo Dimension |
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