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.
Racers who want BMC's classic race fit. Roadmachine if you need stack.
BMC's lightweight race bike: steep, precise, and a WorldTour stack/reach reference. Less aero than Teammachine R / Timemachine.
| Measurement | All-CityNature Boy 2021 |  OrbeaOrca 2025 |  |
|---|---|---|---|
| Stackmm | 572 | 552−20 | 570−2 |
| Reachmm | 390 | 385−5 | 390 |
| Head tube angle° | 72.5 | 72.8+0.3 | 72.5 |
| Seat tube angle° | 73.5 | 73.5 | 73.5 |
| Chainstaymm | 425 | 408−17 | 410−15 |
| Wheelbasemm | 1016 | 981−35 | 996−20 |
| BB dropmm | 66 | 70+4 | 69+3 |
| BB heightmm | — | — | — |
| Standovermm | — | — | — |
| Part | Nature Boy 55 | Orca 53 | Teammachine SLR 56 |
|---|---|---|---|
| Stem | 100 mm | 90 mm | 100 mm |
| Bar | 420 mm | 400 mm | 420 mm |
| Crank | 172.5 mm | 170 mm | 172.5 mm |
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