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Canyon Grail CF SLX 8 AXS vs Colnago G4-X: 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
Canyon Grail CF SLX 8 AXS
7 sizes: 2XS, XS, S, M, L, XL, 2XL
Full size guide
2026race geometry
Colnago G4-X
5 sizes: 450, 480, 520, 540, 570
Full size guide
In one look

The Canyon Grail CF SLX 8 AXS is built as a race geometry frame, the Colnago G4-X as a race geometry frame. The Colnago G4-X cockpit is slightly shorter, by about 5 mm. Across matched sizes the Canyon Grail CF SLX 8 AXS and Colnago G4-X front ends are within a few millimetres of each other, so posture will depend more on cockpit setup than on the frame.

For the Canyon Grail CF SLX 8 AXS in XL, 2XL there is no Colnago G4-X size with a comparable position: the range simply does not reach there.

Switching from a Canyon Grail CF SLX 8 AXS?

Your closest Colnago G4-X size, and what will still feel different about the position.

You ride the Canyon Grail CF SLX 8 AXS inTake the Colnago G4-X inThe position will feel
2XS45010 mm lower · 1 mm shorter
XS4802 mm lower · 5 mm shorter
S5204 mm shorter
M54011 mm shorter
L5703 mm lower · 17 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.

Quick size check

What Canyon Grail CF SLX 8 AXS 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 G4-X 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: Canyon Grail CF SLX 8 AXS or Colnago G4-X?

Across matched sizes the Canyon Grail CF SLX 8 AXS and Colnago G4-X front ends are within a few millimetres of each other, so posture will depend more on cockpit setup than on the frame.

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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