Language

Pinarello 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 X
9 sizes: 430, 460, 490, 515, 530, 545, 560, 580, 600
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 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 22 mm longer, a noticeably more stretched position. Across matched sizes the Pinarello 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 X in 600 there is no Trek Madone Gen 8 size with a comparable position: the range simply does not reach there.

Switching from a Pinarello X?

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

You ride the Pinarello X inTake the Trek Madone Gen 8 inThe position will feel
430S2.5 mm taller · 36.10000000000002 mm longerDifferent position
460S9.200000000000045 mm lower · 25.899999999999977 mm longerDifferent position
490M6.399999999999977 mm lower · 22.100000000000023 mm longerDifferent position
515ML2.3999999999999773 mm lower · 20.5 mm longerDifferent position
530L6.2000000000000455 mm taller · 21.5 mm longerDifferent position
545L6.2000000000000455 mm lower · 17.30000000000001 mm longerDifferent position
560XL7.600000000000023 mm taller · 21.80000000000001 mm longerDifferent position
580XL10.299999999999955 mm lower · 17.899999999999977 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 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 X or Trek Madone Gen 8?

Across matched sizes the Pinarello 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.

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.