Orbea Orca 2023 geometry
Size chart for fitting. If this bike already feels right, find others with a similar riding position (size 47). Category: road-race.
| Size | Stack | Reach | Head tube angle | Seat tube angle | Chainstay | Wheelbase | BB drop |
|---|---|---|---|---|---|---|---|
| 47 | 505 mm | 370 mm | 71.0° | 74.5° | 408 mm | 971 mm | 72 mm |
| 49 | 514 mm | 375 mm | 71.5° | 74.0° | 408 mm | 974 mm | 72 mm |
| 51 | 532 mm | 380 mm | 72.2° | 73.7° | 408 mm | 979 mm | 72 mm |
| 53 | 551 mm | 385 mm | 72.8° | 73.5° | 408 mm | 980 mm | 70 mm |
| 55 | 571 mm | 391 mm | 73.0° | 73.5° | 408 mm | 990 mm | 70 mm |
| 57 | 589 mm | 398 mm | 73.2° | 73.2° | 408 mm | 1001 mm | 70 mm |
| 60 | 615 mm | 404 mm | 73.2° | 73.2° | 408 mm | 1015 mm | 70 mm |
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Size guidance
Stack and reach describe the frame's cockpit envelope better than traditional seat-tube sizing. If you know your preferred stack/reach from a bike that already fits, search within a few millimeters first, then check head angle and chainstay for handling feel. See the glossary for stack, reach, and HTA.