2025 Orbea Terra M31e Team vs 2024 Colnago C68 Gravel
The 510 is the Colnago C68 Gravel size closest to your M Orbea Terra M31e Team. 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 Orbea Terra M31e Team in M, the Colnago C68 Gravel in 510 places the top of the head tube 10 mm higher and 8 mm further forward, relative to the bottom bracket. Its wheelbase is 17 mm longer, which can contribute to stability at speed.
- Frame stack
- +10 mm
- Higher front end
- Frame reach
- +8 mm
- Longer frame reach
- Wheelbase
- +17 mm
- Longer: steadier at speed
- Head angle
- −0.5°
- Slacker: calmer steering
- Chainstays
- +5 mm
- Longer: more planted
The two frames
Orbea Terra M31e Team, MColnago C68 Gravel, 510Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Orbea Terra M31e Team M | Colnago C68 Gravel 510 | Difference |
|---|---|---|---|
| Reach | 389 | 397 | +8 mm |
| Stack | 570 | 580 | +10 mm |
| Head tube angle | 71 | 70.5 | −0.5° |
| Seat tube angle | 73.5 | 73.5 | ±0.0° |
| Effective top tube | 558 | 569 | +11 mm |
| Chainstay length | 420 | 425 | +5 mm |
| Wheelbase | 1029 | 1046.2 | +17 mm |
| BB drop | 78 | 74 | −4 mm |
| BB height | 263 | not listed | |
| Standover | 768 | not listed | |
| Seat tube length | 471 | 510 | +39 mm |
| Head tube length | 152 | 157 | +5 mm |
| Fork length | not listed | 409 |
Differences are the Colnago C68 Gravel minus the Orbea Terra M31e Team. Full charts: 2025 Orbea Terra M31e Team, 2024 Colnago C68 Gravel.
Where each sits in its class
Orbea Terra M31e TeamColnago 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 | Orbea Terra M31e TeamM31e Team 1x | Colnago C68 GravelC68 Gravel |
|---|---|---|
| Frame | Orbea Terra | Colnago C68 Gravel |
| Fork | Orbea Terra ICR | not listed |
| Shifter | SRAM Rival | not listed |
| Derailleur | SRAM Rival XPLR | not listed |
| Cassette | SRAM XPLR XG-1251 Force | Shimano Deore |
| Chain | SRAM Rival | not listed |
| Crankset | SRAM Rival AXS | Shimano GRX |
| Wheelset | Fulcrum Rapid Red 900 DB | Fulcrum Rapid Red 900 |
| Tire | Vittoria Terreno Dry CX-Gravel | Pirelli Cinturato Gravel H |
| Brake | SRAM Rival eTap AXS | Shimano GRX RX820 |
| Handlebar | OC GR30 | Colnago CC.01 Wide |
| Stem | OC RP10 | not listed |
| Seatpost | OC XP10 | not listed |
| Saddle | Prologo Akero AGX | Prologo Dimension |
| Chainring | not listed | Shimano GRX |
| Bottom bracket | not listed | T47 |
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