Language

Orbea Orca Aero M30i LTD vs Specialized Tarmac SL9: 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.

2026race geometry
Orbea Orca Aero M30i LTD
7 sizes: 47, 49, 51, 53, 55, 57, 60
Full size guide
2026race geometry
Specialized Tarmac SL9
7 sizes: 44, 49, 52, 54, 56, 58, 61
Full size guide
In one look

The Orbea Orca Aero M30i LTD is built as a race geometry frame, the Specialized Tarmac SL9 as a race geometry frame. The Specialized Tarmac SL9 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 Aero M30i LTD?

Your closest Specialized Tarmac SL9 size, and what will still feel different about the position.

You ride the Orbea Orca Aero M30i LTD inTake the Specialized Tarmac SL9 inThe position will feel
47446 mm taller · 4 mm shorter
494910 mm taller
51527 mm taller
53544 mm taller · 1 mm shorter
55565 mm taller · 5 mm longer
575613 mm lower · 2 mm shorter
60618 mm taller · 4 mm longer

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.

Quick size check

What Orbea Orca Aero M30i LTD 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.

Quick size check

What Specialized Tarmac SL9 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 Aero M30i LTD or Specialized Tarmac SL9?

The Specialized Tarmac SL9 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.

Free tools are just the start

TrainCraft builds structured training plans and adapts them when life gets in the way — powered by real fatigue science (CTL/ATL/TSB). Free to start.