Ridley Kanzo Adventure Alu geometryGravel · 2024 · 6 sizes, from XXS to XL
The Ridley Kanzo Adventure Alu is a gravel bike available in 6 sizes, from XXS to XL. Stack ranges from 522 to 630 mm and reach from 365 to 429 mm. Its geometry is low and long, with a racing fit. All sizes share 435 mm chainstays.
What size Kanzo Adventure Alu 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 Ridley. The ones that matter most for choosing a size are in bold.
| Size | XXS | XS | S | M | L | XL |
|---|---|---|---|---|---|---|
| Stack | 522 | 536 | 560 | 582 | 608 | 630 |
| Reach | 365 | 381 | 390 | 403 | 418 | 429 |
| Effective top tube | 510 | 530 | 550 | 570 | 592 | 615 |
| Head tube length | 90 | 105 | 130 | 155 | 182 | 205 |
| Head angle | 70.8° | 70.8° | 70.8° | 70.8° | 70.8° | 70.8° |
| Chainstay length | 435 | 435 | 435 | 435 | 435 | 435 |
| Wheelbase | 1,003 | 1,024 | 1,024 | 1,064 | 1,088 | 1,106 |
| BB drop | 75 | 75 | 75 | 75 | 75 | 75 |
| Standover | 767 | 781 | 805 | 827 | 835 | 875 |
| Seat tube (method not stated) | 450 | 480 | 505 | 530 | 555 | 580 |
| Seat angle (method not stated) | 74.5° | 74.5° | 74.0° | 74.0° | 74.0° | 73.5° |
Source: Ridley 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 gravel bikes. Further right means more of that quality.
Bikes with similar geometry (size S)
The closest size of other gravel models, by stack and reach.
Frequently asked questions
What size Kanzo Adventure Alu 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 522/365 mm in size XXS to 630/429 mm in size XL). 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 Kanzo Adventure Alu in size S?
Stack of 560 mm and reach of 390 mm, with an effective top tube of 550 mm and a head angle of 70.8°.
Is the Kanzo Adventure Alu a racing or an endurance bike?
Racing. In size S its stack-to-reach ratio is at percentile 30 of gravel bikes: a low, stretched position.
Does it have the same geometry as the Kanzo Adventure Alu Equipped?
In size S, yes: same stack and reach. If one already fits you, the same size of the other will put you in the same position.