LOOK 785 Huez RS vs Specialized Tarmac SL9: 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

LOOK 785 Huez RS: race geometry. Specialized Tarmac SL9: race geometry.

  • Across matched sizes the LOOK 785 Huez RS and Specialized Tarmac SL9 front ends are within a few millimetres of each other, so posture will depend more on cockpit setup than on the frame.
  • The Specialized Tarmac SL9 cockpit runs about 8.7 mm longer, a noticeably more stretched position.

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

2026 • race geometry
LOOK 785 Huez RS
Full size guide
2026 • race geometry
Specialized Tarmac SL9
Full size guide

Fit and size differences

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

Median difference across matched sizes: stack 2.3 mm, reach 8.7 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 LOOK 785 Huez RS and Specialized Tarmac SL9 sizes compare?

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

LOOK 785 Huez RS
XS
Stack 519.2, Reach 365.3
Specialized Tarmac SL9
49
Stack 514, Reach 375

Stack: 5.2 mm lower

Reach: 9.7 mm longer

LOOK 785 Huez RS
S
Stack 543.3, Reach 375.3
Specialized Tarmac SL9
54
Stack 544, Reach 384

Stack: practically identical

Reach: 8.7 mm longer

LOOK 785 Huez RS
M
Stack 567.3, Reach 385.6
Specialized Tarmac SL9
56
Stack 565, Reach 395

Stack: 2.3 mm lower

Reach: 9.4 mm longer

LOOK 785 Huez RS
L
Stack 591.3, Reach 395.5
Specialized Tarmac SL9
58
Stack 591, Reach 402

Stack: practically identical

Reach: 6.5 mm longer

LOOK 785 Huez RS
XL
Stack 615.3, Reach 405.6
Specialized Tarmac SL9
61
Stack 612, Reach 408

Stack: 3.3 mm lower

Reach: 2.4 mm longer

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 has the taller front end: LOOK 785 Huez RS or Specialized Tarmac SL9?
Across matched sizes the LOOK 785 Huez RS and Specialized Tarmac SL9 front ends are within a few millimetres of each other, so posture will depend more on cockpit setup than on the frame.

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