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Cannondale Topstone CAAD geometryGravel · 2027 · 6 sizes, from 47 to 61

The Cannondale Topstone CAAD is a gravel bike available in 6 sizes, from 47 to 61. Stack ranges from 535 to 645 mm and reach from 365 to 397 mm. Its geometry is tall and short, built for comfort. All sizes share 435 mm chainstays.

Stack535–645mm
Reach365–397mm
Head angle69.9–70.7°
Chainstay length435mm
RelaxedPlanted

What size Topstone CAAD do I need?

Enter the stack and reach of a bike that fits you well and we will tell you which size is closest and how to set it up.

Compare on Fitbikefy →
47S 535 · R 365
51S 560 · R 373
54S 579 · R 378
56S 597 · R 383
58S 615 · R 389
61S 645 · R 397

Enter your stack and reach to see which size fits you best.

Geometry chart by size

Measurements in mm and degrees, as published by Cannondale. The ones that matter most for choosing a size are in bold.

Size475154565861
Stack535560579597615645
Reach365373378383389397
Effective top tube527543554564576593
Actual top tube504520531543557574
Head tube length87110133152174206
Head angle69.9°70.7°70.7°70.7°70.7°70.7°
Effective seat angle73.1°73.1°73.1°73.1°73.1°73.1°
Chainstay length435435435435435435
Wheelbase1,0181,0281,0411,0521,0661,084
Front centre595605617628641660
BB drop797976767474
BB height280280283283285285
Fork offset555555555555
Trail736767676767
Standover705737767797828861
Seat tube (method not stated)410446482518554590
Seat angle (method not stated)73.1°73.1°73.1°73.1°73.1°73.1°

Source: Cannondale official website · data from 11 Nov 2026.

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Cannondale Topstone CAAD 2027

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Stack and reach of every size

Higher means a taller front end; further right means a longer reach. The blue dot is your search.

340350360370380390400410420500520540560580600620640660680reach (mm) →↑ stack (mm)475154565861

Character of each size

Compared with other gravel bikes. Further right means more of that quality.

47
51
54
56
58
61
Positionracing → relaxed
Steeringcalm → quick
Pedallingrearward → forward
Bottom brackethigh → low
Wheelbaselively → planted
Rear endstable → agile

Bikes with similar geometry (size 54)

The closest size of other gravel models, by stack and reach.

ModelΔ stackΔ reach
Cannondale Topstone Carbon · 542026±0 mm±0 mmCompare →
Specialized S-Works Diverge · 522026−1 mm−4 mmCompare →
Specialized Diverge · 522026−1 mm−4 mmCompare →
KTM Gravelator · XS2027−2 mm−4 mmCompare →
Wilier Triestina Jena · M2026+3 mm+4 mmCompare →
Pinarello DOGMA GR · 4852026−6 mm+1 mmCompare →
Topstone CAAD or Topstone Carbon? In size 54 they have exactly the same stack and reach (579 / 378 mm): the difference is in the frame and build, not the position.

Frequently asked questions

What size Topstone CAAD do I need?

It depends on your position, not just your height. The most reliable way is to compare the stack and reach of a bike that fits you with those of each size (from 535/365 mm in size 47 to 645/397 mm in size 61). The size finder on this page shows the closest size and the stem and spacers you would need.

What are the stack and reach of the Topstone CAAD in size 54?

Stack of 579 mm and reach of 378 mm, with an effective top tube of 554 mm and a head angle of 70.7°.

Is the Topstone CAAD a racing or an endurance bike?

Endurance. In size 54 its stack-to-reach ratio is at percentile 85 of gravel bikes: a tall, short position.

Does it have the same geometry as the Topstone Carbon?

In size 54, yes: same stack and reach. If one already fits you, the same size of the other will put you in the same position.