Can the same rider take different sizes on these two bikes?

Yes. Frame labels are not standardized, so the same rider may need different sizes. This comparison deliberately avoids a generic matched-size answer and hands your measurements to Bike Fit instead.

Which frame has the higher front: Canyon Grail CF SLX 8 AXS or Specialized Crux 4?

The frame front of Specialized Crux 4 is slightly higher, by about 4 mm. That difference alone does not settle your position.

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Canyon Grail CF SLX 8 AXS vs Specialized Crux 4: which bike is right for you?

Compare ride character, intended rider, geometry, and fit. Add your measurements to see which bike suits you better and which size to choose on each.

Fit verdict: the frame positions are close, a few millimetres apart. The frame alone will not decide this; use your measurements to see which size and setup gets nearer to your position on each bike.

Compare them for me Compare geometry and sizes

In one look

Canyon Grail CF SLX 8 AXS: race geometry. Specialized Crux 4: race geometry.

The frame front of Specialized Crux 4 is slightly higher, by about 4 mm. That difference alone does not settle your position.
The frame front of Specialized Crux 4 is slightly shorter, by about 6 mm.

For the Canyon Grail CF SLX 8 AXS in 2XL there is no Specialized Crux 4 size with a comparable position: the range simply does not reach there.

These two split on bottom bracket, maximum tyre clearance; the sourced values are below. What each difference means for your size, your setup and the riding you describe is in the full comparison.

Bottom bracketDiffersSource 1 Source 2
Canyon Grail CF SLX 8 AXS
Press fit
Specialized Crux 4
Threaded
A threaded bottom bracket is simpler to service and less prone to creaking; press fit saves weight and allows a wider shell.
Maximum tyre clearanceDiffersSource 1 Source 2
Canyon Grail CF SLX 8 AXS
42 mm
Specialized Crux 4
47 mm
Tyre width decides which surfaces stay comfortable. A few millimetres is the difference between staying on tarmac and being able to drop onto gravel without a second bike.
Price
Canyon Grail CF SLX 8 AXS is the dearer of the two, going by the cheapest build you can buy of each; Specialized Crux 4 starts lower.

Subjective findings from independent tests on stock or near-stock builds. Tyres, pressure and size change how a frame feels.

We compare differences at frame and model level. Components, current price, and availability depend on the exact build and seller.

2026 • race geometry: Canyon Grail CF SLX 8 AXS; Full size guide
2025 • race geometry: Specialized Crux 4; Full size guide

What do you need from this comparison?

Start with the decision you are making. We will ask only for the details needed to answer it.

Step 1/1

What are you trying to understand?

Your answer decides which questions follow and what the result focuses on.

Fit and size differences

The matched frame measurements differ by only a few millimetres, so stem and spacer choices can matter more than the frame.

Typical difference across matched sizes: frame front height 4 mm, forward length 6 mm.

For a personal answer, the fit-and-size path uses your measurements to show only the relevant frame sizes. The full chart remains available as a reference.

View geometry for every size

How do Canyon Grail CF SLX 8 AXS and Specialized Crux 4 sizes compare?

See the closest size matches and the differences in stack, reach, and riding position.

Canyon Grail CF SLX 8 AXS: 2XS; Stack 545, Reach 372
Specialized Crux 4: 52; Stack 547, Reach 382

Stack: practically identical

Reach: 10 mm longer

Canyon Grail CF SLX 8 AXS: XS; Stack 556, Reach 385
Specialized Crux 4: 54; Stack 560, Reach 388

Stack: 4 mm taller

Reach: 3 mm longer

Canyon Grail CF SLX 8 AXS: S; Stack 573, Reach 394
Specialized Crux 4: 56; Stack 578, Reach 397

Stack: 5 mm taller

Reach: 3 mm longer

Canyon Grail CF SLX 8 AXS: M; Stack 591, Reach 411
Specialized Crux 4: 58; Stack 598, Reach 405

Stack: 7 mm taller

Reach: 6 mm shorter

Canyon Grail CF SLX 8 AXS: L; Stack 613, Reach 427
Specialized Crux 4: 61; Stack 621, Reach 415

Stack: 8 mm taller

Reach: 12 mm shorter

Canyon Grail CF SLX 8 AXS: XL; Stack 633, Reach 435
Specialized Crux 4: 61; Stack 621, Reach 415

Stack: 12 mm lower

Reach: 20 mm shorter

Canyon Grail CF SLX 8 AXS: 2XL; Stack 655, Reach 454
Specialized Crux 4: 61; Stack 621, Reach 415

Different position

Stack: 34 mm lower

Reach: 39 mm shorter

Canyon Grail CF SLX 8 AXS	Specialized Crux 4	The position will feel
2XSStack 545 · Reach 372	52Stack 547 · Reach 382	Stack: practically identical · Reach: 10 mm longer
XSStack 556 · Reach 385	54Stack 560 · Reach 388	Stack: 4 mm taller · Reach: 3 mm longer
SStack 573 · Reach 394	56Stack 578 · Reach 397	Stack: 5 mm taller · Reach: 3 mm longer
MStack 591 · Reach 411	58Stack 598 · Reach 405	Stack: 7 mm taller · Reach: 6 mm shorter
LStack 613 · Reach 427	61Stack 621 · Reach 415	Stack: 8 mm taller · Reach: 12 mm shorter
XLStack 633 · Reach 435	61Stack 621 · Reach 415	Stack: 12 mm lower · Reach: 20 mm shorter
2XLStack 655 · Reach 454	61Stack 621 · Reach 415	Different position

The same size label can create a different position on each frame. Stack and reach are one part of the decision; the personalized comparison connects them to your body and each bike’s ride character.

FAQ

Can the same rider take different sizes on these two bikes?: Yes. Frame labels are not standardized, so the same rider may need different sizes. This comparison deliberately avoids a generic matched-size answer and hands your measurements to Bike Fit instead.
Which frame has the higher front: Canyon Grail CF SLX 8 AXS or Specialized Crux 4?: The frame front of Specialized Crux 4 is slightly higher, by about 4 mm. That difference alone does not settle your position.

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