2025 Santa Cruz Stigmata Rudy vs 2024 Colnago C68 Gravel
The 510 is the Colnago C68 Gravel size closest to your M 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 M, the Colnago C68 Gravel in 510 places the top of the head tube 4 mm higher and 8 mm further back, relative to the bottom bracket. Its wheelbase is 17 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- +4 mm
- Higher front end
- Frame reach
- −8 mm
- Shorter frame reach
- Wheelbase
- −17 mm
- Shorter: quicker to change direction
- Head angle
- +1.0°
- Steeper: sharper steering
- Chainstays
- −5 mm
- Shorter: livelier
The two frames
Santa Cruz Stigmata Rudy, MColnago C68 Gravel, 510Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Santa Cruz Stigmata Rudy M | Colnago C68 Gravel 510 | Difference |
|---|---|---|---|
| Reach | 405 | 397 | −8 mm |
| Stack | 576 | 580 | +4 mm |
| Head tube angle | 69.5 | 70.5 | +1.0° |
| Seat tube angle | 74 | 73.5 | −0.5° |
| Effective top tube | 570 | 569 | −1 mm |
| Chainstay length | 430 | 425 | −5 mm |
| Wheelbase | 1063 | 1046.2 | −17 mm |
| BB drop | 76 | 74 | −2 mm |
| BB height | 280 | not listed | |
| Standover | 753 | not listed | |
| Seat tube length | 485 | 510 | +25 mm |
| Head tube length | 120 | 157 | +37 mm |
| Fork length | not listed | 409 |
Differences are the Colnago C68 Gravel minus the Santa Cruz Stigmata Rudy. Full charts: 2025 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 Rudy | Colnago C68 GravelC68 Gravel |
|---|---|---|
| Frame | not listed | Colnago C68 Gravel |
| Cassette | not listed | Shimano Deore |
| Crankset | not listed | Shimano GRX |
| Chainring | not listed | Shimano GRX |
| Bottom bracket | not listed | T47 |
| Wheelset | not listed | Fulcrum Rapid Red 900 |
| Tire | not listed | Pirelli Cinturato Gravel H |
| Brake | not listed | Shimano GRX RX820 |
| Handlebar | not listed | Colnago CC.01 Wide |
| Saddle | not listed | Prologo Dimension |
Know what is on every bike.
Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.
Explore the app
