Orbea Orca
Racers who want a climbing Orbea. Orca Aero is the wind-cheating sibling.
Orbea's lightweight race bike, OMX carbon on high kits, and a fit that is race-low without S5 drama. OMX vs OMR changes weight more than geometry.
Racers who want a climbing Orbea. Orca Aero is the wind-cheating sibling.
Orbea's lightweight race bike, OMX carbon on high kits, and a fit that is race-low without S5 drama. OMX vs OMR changes weight more than geometry.
Gravel racers. Caledonia if you want road endurance with some dirt; Aspero-5 if you want the aero gravel version.
Gravel-race Cervelo. Trail mixer, low and fast, built for events rather than touring. Aspero-5 adds aero.
Racers and fit riders who want Giant's race geometry without Propel's deep tubes.
Giant's lightweight race bike: compact sloping top tube, sharp steering, and a fit that has been a stack/reach reference for a long time. Less aero drama than Propel.
| Measurement |  SonderColibri 2023 |  OrbeaOrca 2025 |  CerveloAspero 2022 |  GiantTCR Advanced 2023 |
|---|---|---|---|---|
| Stackmm | 552 | 552 | 580+28 | 563+11 |
| Reachmm | 388 | 385−3 | 397+9 | 393+5 |
| Head tube angle° | 72.5 | 72.8+0.3 | 72.0−0.5 | 73.0+0.5 |
| Seat tube angle° | 73.5 | 73.5 | 73.0−0.5 | 73.0−0.5 |
| Chainstaymm | 410 | 408−2 | 425+15 | 405−5 |
| Wheelbasemm | 992 | 981−11 | 1028+36 | 986−6 |
| BB dropmm | 69 | 70+1 | 76+7 | 70+1 |
| BB heightmm | — | — | — | — |
| Standovermm | — | — | — | — |
| Part | Colibri M | Orca 53 | Aspero 56 | TCR Advanced ML |
|---|---|---|---|---|
| Stem | 100 mm | 90 mm | 100 mm | 100 mm |
| Bar | 420 mm | 400 mm | 420 mm | 420 mm |
| Crank | 172.5 mm | 170 mm | 172.5 mm | 172.5 mm |
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