Orbea Orca vs Trek Madone Gen 8: geometry and fit comparison
Matched sizes, stack and reach deltas, and a fit check against your own body instead of guessing from two separate size charts.
The Orbea Orca is built as a race geometry frame, the Trek Madone Gen 8 as a race geometry frame. The Orbea Orca stack is slightly taller, about 6 mm, which is not enough to change the position by itself. Reach is nearly identical across matched sizes.
Switching from a Orbea Orca?
Your closest Trek Madone Gen 8 size, and what will still feel different about the position.
| You ride the Orbea Orca in | Take the Trek Madone Gen 8 in | The position will feel |
|---|---|---|
| 47 | XS | 1 mm taller |
| 49 | XS | 8 mm lower · 5 mm shorter |
| 51 | S | 3 mm lower · 2 mm shorter |
| 53 | M | 6 mm lower · 1 mm shorter |
| 55 | ML | 10 mm lower · 2 mm shorter |
| 57 | L | 8 mm lower · 4 mm shorter |
| 60 | XL | 6 mm lower · 2 mm shorter |
Which one fits you better?
Run the same measurements through both frames. The likely size and the full fit report can differ more than the spec sheets suggest.
What Orbea Orca size fits you?
Get an instant frame estimate, then continue into the full fit report to check cockpit reach, bar drop, and setup risks before you buy.
No account needed for this check. The full report keeps this bike preselected.
What Trek Madone Gen 8 size fits you?
Get an instant frame estimate, then continue into the full fit report to check cockpit reach, bar drop, and setup risks before you buy.
No account needed for this check. The full report keeps this bike preselected.
FAQ
Which has the taller front end: Orbea Orca or Trek Madone Gen 8?
The Orbea Orca stack is slightly taller, about 6 mm, which is not enough to change the position by itself.
Can the same rider take different sizes on these two bikes?
Yes, and it happens often: frame labels are not standardized. Use the matched-size table for geometry, then run the fit check below with your own measurements for each bike.
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