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Pinarello Dogma X 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.

2026endurance geometry
Pinarello Dogma X
11 sizes: 430, 465, 500, 515, 530, 540, 550, 560, 575, 595, 620
Full size guide
2025race geometry
Trek Madone Gen 8
6 sizes: XS, S, M, ML, L, XL
Full size guide
In one look

The Pinarello Dogma X is built as a endurance geometry frame, the Trek Madone Gen 8 as a race geometry frame. The Trek Madone Gen 8 cockpit runs about 11 mm longer, a noticeably more stretched position. Across matched sizes the Pinarello Dogma X and Trek Madone Gen 8 front ends are within a few millimetres of each other, so posture will depend more on cockpit setup than on the frame.

For the Pinarello Dogma X in 620 there is no Trek Madone Gen 8 size with a comparable position: the range simply does not reach there.

Switching from a Pinarello Dogma X?

Your closest Trek Madone Gen 8 size, and what will still feel different about the position.

You ride the Pinarello Dogma X inTake the Trek Madone Gen 8 inThe position will feel
430S5.7999999999999545 mm taller · 28.69999999999999 mm longerDifferent position
465S5.5 mm lower · 19.899999999999977 mm longerDifferent position
500M3.8999999999999773 mm taller · 18.600000000000023 mm longerDifferent position
515M2.6000000000000227 mm lower · 12.300000000000011 mm longer
530ML3 mm taller · 9.600000000000023 mm longer
540ML6.399999999999977 mm lower · 7.800000000000011 mm longer
550L3.1000000000000227 mm taller · 11 mm longer
560L6.399999999999977 mm lower · 9.399999999999977 mm longer
575XL8.299999999999955 mm taller · 11.199999999999989 mm longer
595XL22 mm lower · 6.699999999999989 mm longerDifferent 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 Pinarello Dogma 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.

Quick size check

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: Pinarello Dogma X or Trek Madone Gen 8?

Across matched sizes the Pinarello Dogma X and Trek Madone Gen 8 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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