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Tools/Bike Fit/Bianchi Specialissima vs Trek Madone Gen 8

Bianchi Specialissima vs Trek Madone Gen 8: 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 differ enough to matter. Compare the geometry below, then use your measurements to identify the safer size and setup.

Compare them for meCompare geometry and sizes

In one look

Bianchi Specialissima: race geometry. Trek Madone Gen 8: race geometry.

  • Across matched sizes, the frame front of Trek Madone Gen 8 is about 11 mm higher than Bianchi Specialissima. This can support a more upright starting position, while stem and spacers still affect the handlebar.
  • The frame front of Trek Madone Gen 8 is slightly shorter, by about 8 mm.

The frame standards line up and we hold no sourced weight or performance claim that separates them. What is left to decide is your size and setup on each frame.

  • Price

    Bianchi Specialissima is the dearer of the two, going by the cheapest build you can buy of each; Trek Madone Gen 8 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.

2027 • race geometry
Bianchi Specialissima
Size guide and geometry for the Bianchi Specialissima
2025 • race geometry
Trek Madone Gen 8
Size guide and geometry for the Trek Madone Gen 8

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

Geometry can separate these bikes: matched sizes create a meaningfully different position.

Typical difference across matched sizes: frame front height 11 mm, forward length 8 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 Bianchi Specialissima and Trek Madone Gen 8 sizes compare?

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

Bianchi Specialissima
47
Stack 486, Reach 379
Trek Madone Gen 8
XS
Stack 507, Reach 370

Stack: 21 mm taller

Reach: 9 mm shorter

Bianchi Specialissima
50
Stack 494, Reach 386
Trek Madone Gen 8
XS
Stack 507, Reach 370

Stack: 13 mm taller

Reach: 16 mm shorter

Bianchi Specialissima
53
Stack 520, Reach 387
Trek Madone Gen 8
S
Stack 530, Reach 378

Stack: 10 mm taller

Reach: 9 mm shorter

Bianchi Specialissima
55
Stack 536, Reach 391
Trek Madone Gen 8
M
Stack 546, Reach 384

Stack: 10 mm taller

Reach: 7 mm shorter

Bianchi Specialissima
57
Stack 552, Reach 397
Trek Madone Gen 8
ML
Stack 562, Reach 389

Stack: 10 mm taller

Reach: 8 mm shorter

Bianchi Specialissima
59
Stack 571, Reach 400
Trek Madone Gen 8
L
Stack 582, Reach 394

Stack: 11 mm taller

Reach: 6 mm shorter

Bianchi SpecialissimaTrek Madone Gen 8The position will feel
47Stack 486 · Reach 379XSStack 507 · Reach 370Stack: 21 mm taller · Reach: 9 mm shorter
50Stack 494 · Reach 386XSStack 507 · Reach 370Stack: 13 mm taller · Reach: 16 mm shorter
53Stack 520 · Reach 387SStack 530 · Reach 378Stack: 10 mm taller · Reach: 9 mm shorter
55Stack 536 · Reach 391MStack 546 · Reach 384Stack: 10 mm taller · Reach: 7 mm shorter
57Stack 552 · Reach 397MLStack 562 · Reach 389Stack: 10 mm taller · Reach: 8 mm shorter
59Stack 571 · Reach 400LStack 582 · Reach 394Stack: 11 mm taller · Reach: 6 mm shorter

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: Bianchi Specialissima or Trek Madone Gen 8?
Across matched sizes, the frame front of Trek Madone Gen 8 is about 11 mm higher than Bianchi Specialissima. This can support a more upright starting position, while stem and spacers still affect the handlebar.

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