2027 BMC Roadmachine 01 THREE vs 2025 Cervélo Caledonia-5
The 56 is the Cervélo Caledonia-5 size closest to your 54 BMC Roadmachine 01 THREE. 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 Cervélo Caledonia-5
Compared with the BMC Roadmachine 01 THREE in 54, the Cervélo Caledonia-5 in 56 places the top of the head tube 10 mm higher and 4 mm further forward, relative to the bottom bracket. Its wheelbase is 16 mm longer, which can contribute to stability at speed.
- Frame stack
- +10 mm
- Higher front end
- Frame reach
- +4 mm
- Longer frame reach
- Wheelbase
- +16 mm
- Longer: steadier at speed
- Head angle
- −0.2°
- About the same head angle
- Chainstays
- ±0 mm
- About the same
The two frames
BMC Roadmachine 01 THREE, 54Cervélo Caledonia-5, 56Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | BMC Roadmachine 01 THREE 54 | Cervélo Caledonia-5 56 | Difference |
|---|---|---|---|
| Reach | 383 | 387 | +4 mm |
| Stack | 570 | 580 | +10 mm |
| Head tube angle | 72.2 | 72 | −0.2° |
| Seat tube angle | 74.2 | 73 | −1.2° |
| Chainstay length | 415 | 415 | ±0 mm |
| Wheelbase | 997 | 1013.4 | +16 mm |
| BB drop | 75 | 74 | −1 mm |
| Standover | 786 | 798 | +12 mm |
| Seat tube length | 488 | not listed | |
| Fork length | 379 | not listed | |
| Head tube length | 154 | 162.6 | +9 mm |
| Effective top tube | not listed | 565 |
Differences are the Cervélo Caledonia-5 minus the BMC Roadmachine 01 THREE. Full charts: 2027 BMC Roadmachine 01 THREE, 2025 Cervélo Caledonia-5.
Where each sits in its class
BMC Roadmachine 01 THREECervélo Caledonia-5
Each bike is ranked against the other road 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 | BMC Roadmachine 01 THREETHREE | Cervélo Caledonia-5 |
|---|---|---|
| Frame | BMC Roadmachine 01 | not listed |
| Shifter | Shimano Ultegra R8170 | not listed |
| Derailleur | Shimano Ultegra R8150 Di2, Shimano Ultegra R8150 | not listed |
| Cassette | Shimano Ultegra R8101 | not listed |
| Crankset | Shimano Ultegra R8100 | not listed |
| Bottom bracket | Shimano BB72 Ultegra | not listed |
| Tire | Vittoria Corsa N.EXT | not listed |
| Hub | TXC-812, TXC-240A | not listed |
| Rim | Ce 40 Carbon | not listed |
| Brake | Shimano Ultegra R8170 | not listed |
| Rotor | Shimano RT-CL800 | not listed |
| Handlebar | BMC HB D4 01 | not listed |
| Stem | BMC ICS2 | not listed |
| Grips | BMC Tacky | not listed |
| Seatpost | BMC D-Shaped | not listed |
| Saddle | Selle Italia Novus | not listed |
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