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Bianchi Oltre vs Colnago Y1Rs: 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
Bianchi Oltre
6 sizes: 47, 50, 53, 55, 57, 59
Full size guide
2026race geometry
Colnago Y1Rs
5 sizes: XS, S, M, L, XL
Full size guide
In one look

The Bianchi Oltre is built as a race geometry frame, the Colnago Y1Rs as a race geometry frame. The Colnago Y1Rs cockpit runs about 16 mm shorter, a noticeably more compact position. The Colnago Y1Rs stack is slightly taller, about 7 mm, which is not enough to change the position by itself.

For the Bianchi Oltre in 47, 50 there is no Colnago Y1Rs size with a comparable position: the range simply does not reach there.

Switching from a Bianchi Oltre?

Your closest Colnago Y1Rs size, and what will still feel different about the position.

You ride the Bianchi Oltre inTake the Colnago Y1Rs inThe position will feel
53S16 mm taller · 16 mm shorterDifferent position
55S20 mm shorter
57M4 mm taller · 16 mm shorter
59L10 mm taller · 11 mm shorterDifferent position

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 Bianchi Oltre 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 Colnago Y1Rs 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: Bianchi Oltre or Colnago Y1Rs?

The Colnago Y1Rs stack is slightly taller, about 7 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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