Wilier Triestina Rapida geometryRoad · 2027 · 6 sizes, from XS to XXL
The Wilier Triestina Rapida is a road bike available in 6 sizes, from XS to XXL. Stack ranges from 520 to 610 mm and reach from 372 to 402 mm. Its position sits between racing and endurance.
What size Rapida 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.
Enter your stack and reach to see which size fits you best.
Geometry chart by size
Measurements in mm and degrees, as published by Wilier Triestina. The ones that matter most for choosing a size are in bold.
| Size | XS | S | M | L | XL | XXL |
|---|---|---|---|---|---|---|
| Stack | 520 | 538 | 556 | 574 | 592 | 610 |
| Reach | 372 | 378 | 385 | 390 | 396 | 402 |
| Effective top tube | 509 | 524 | 545 | 556 | 578 | 589 |
| Seat tube (centre-to-top) | 430 | 460 | 490 | 520 | 550 | 580 |
| Seat tube (centre-to-centre) | 412 | 442 | 472 | 502 | 532 | 562 |
| Head tube length | 108 | 125 | 143 | 162 | 183 | 202 |
| Head angle | 70.5° | 71.3° | 72.0° | 72.0° | 72.0° | 72.0° |
| Chainstay length | 410 | 410 | 412 | 412 | 414 | 414 |
| Wheelbase | 981 | 986 | 994 | 1,006 | 1,021 | 1,033 |
| Standover | 732 | 758 | 782 | 808 | 832 | 856 |
| Seat angle (method not stated) | 75.5° | 75.0° | 74.0° | 74.0° | 73.0° | 73.0° |
Source: Wilier Triestina official website · data from 11 Nov 2026. Spot a mistake?
Stack and reach of every size
Higher means a taller front end; further right means a longer reach. The blue dot is your search.
Character of each size
Compared with other road bikes. Further right means more of that quality.
Bikes with similar geometry (size M)
The closest size of other road models, by stack and reach.
Frequently asked questions
What size Rapida 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 520/372 mm in size XS to 610/402 mm in size XXL). 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 Rapida in size M?
Stack of 556 mm and reach of 384.5 mm, with an effective top tube of 545 mm and a head angle of 72.0°.
Is the Rapida a racing or an endurance bike?
In between. In size M its stack-to-reach ratio is at percentile 53 of road bikes: neither very low nor very tall.