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Allied ABLE SRAM Force XPLR AXS vs Specialized Crux 4: 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
Allied ABLE SRAM Force XPLR AXS
6 sizes: 48, 52, 54, 56, 58, 61
Full size guide
2025race geometry
Specialized Crux 4
6 sizes: 49, 52, 54, 56, 58, 61
Full size guide
In one look

The Allied ABLE SRAM Force XPLR AXS is built as a race geometry frame, the Specialized Crux 4 as a race geometry frame. Across matched sizes the Allied ABLE SRAM Force XPLR AXS and Specialized Crux 4 front ends are within a few millimetres of each other, so posture will depend more on cockpit setup than on the frame. Reach is nearly identical across matched sizes.

Switching from a Allied ABLE SRAM Force XPLR AXS?

Your closest Specialized Crux 4 size, and what will still feel different about the position.

You ride the Allied ABLE SRAM Force XPLR AXS inTake the Specialized Crux 4 inThe position will feel
48495 mm lower
52527 mm taller · 8 mm shorter
54545 mm taller · 7 mm shorter
56563 mm taller · 3 mm shorter
58583 mm taller · 5 mm shorter
61616 mm taller

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 Allied ABLE SRAM Force XPLR 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 Specialized Crux 4 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: Allied ABLE SRAM Force XPLR AXS or Specialized Crux 4?

Across matched sizes the Allied ABLE SRAM Force XPLR AXS and Specialized Crux 4 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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