DualBox®6-TR Inline Frame 4x110 and 3x125
Find Your Perfect Fit in 2 Minutes:
How to Measure Your Foot for the Right Size
To select the correct size from our chart, follow these steps:
-
Measure Your Foot Length
- Place your heel against a wall on a flat surface.
- Lay a ruler or measuring tape along the floor, starting at the wall.
- Stand with your full weight on both feet and measure to the tip of your longest toe.
- Measure both feet and use the longer measurement.
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Choose the Right Size from the Chart
- Our size chart shows the length of the last (the mold the shoe is built on), not the foot length.
- For a proper fit, select a size 3-5mm longer than your foot measurement.
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Adjust for Wide Feet
- If you have wide feet, we recommend choosing one size larger for a more comfortable fit.
Following these guidelines ensures a snug yet comfortable fit for optimal performance on the road or track.
| Rookie One & Two | |
| EURO size | Millimeters |
| 32 | 202 |
| 33 | 209 |
| 34 | 216 |
| 35 | 223 |
| 36 | 230 |
| 37 | 237 |
| 38 | 244 |
| 39 | 251 |
| 40 | 258 |
| 41 | 265 |
| 42 | 272 |
The Cádomotus Resizer Insoles come in four sizes, each reducing shoe size by one or two steps, allowing growing athletes to extend the use of their high-performance footwear.
- The XS insole fits into a size 31, adjusting it to 30 or 29.
- The S insole fits into size 34, reducing it to 33 or 32.
- The M insole works with size 37, converting it to 36 or 35.
- The L insole fits into size 40, making it 39 or 38.
With this system, one pair of shoes adapts to three sizes, ensuring a perfect fit as young athletes grow.
| Insole Resizers | ||
| EURO size | Millimeters | |
| XS | 29 | 181 |
| XS | 30 | 188 |
| XS | 31 | 195 |
| S | 32 | 202 |
| S | 33 | 209 |
| S | 34 | 216 |
| M | 35 | 223 |
| M | 36 | 230 |
| M | 37 | 237 |
| L | 38 | 244 |
| L | 39 | 251 |
| L | 40 | 258 |
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- Low stock - 7 items left
The sixth edition of our best frame! After many world titles, we went back to basics with our design. This is the only frame on the market in which you can install three as well as four wheels, thanks to the dual box technology. That makes the Dualbox6TR the only high-end frame on the market that actually can be used for races on the road and the track.
Competitive inline skaters sometimes take two pairs of skates to an event. One pair with three wheels for races on the road and one pair with four wheels for races on the track. According to the new rules of the world skating organization. But it is not necessary anymore to buy and maintain two complete set-ups.
The advantages of the DualBox® frame
The DualBox frame is made of one piece of aluminum. The tubular sidewall (dual box) provides rigidity and proportional distribution of power during the full push-off. In contrary to other brands, we don’t use extra reinforcements. In fact, these so-called bridges – the connections between both of the sidewalls – make the frame in certain areas very rigid and in other areas more flexible.
DualBox makes the rigidness of the frame in all areas completely the same. As you can imagine, this will provide more control and predictability. And when you compete at a high level, this can make the difference. Every skater wants to be in tune with the surface and to feel in control, especially in the moments when it counts.
- More stability gives you more control and predictability. When can you put on some extra pressure, and when not?
- More stability gives you more grip and pressure in the corners.
- More stability reduces fatigue in muscles which are responsible for fine motor skills.
As we are using the rigidness of the sidewall, we don’t need reinforcing bridges. That’s the reason why we could build a 2-in-one frame. You have to have an extra room in the profile to do that after all. There is no room for reinforcements, but we don’t need those.
Back to basics
We went back to basics in our 2020 design. The profile has two boot mount platforms and is stripped off any decorations. It is a functional design, thanks to the use of topological research. Smart algorithms are often taking over processes in various human domains, as well as in design. We have analyzed the mechanical and dynamical behavior of the DualBox frame construction using Topology and FEA analysis. Based on the results, we’ve chosen a classic CNC profile and left out all unnecessary connections. Functional design.
So this is our sixth edition of the DualBox frames since 2000. It is a unique design, other than all the other frames that are being produced in the industry. With the DualBox 6, you don’t only have a frame you can trust, but also a brand behind you that is known for innovation and an unprecedented reputation as inline skate frames market leader.
Ordering from Outside the EU? Read This First:
Our warehouse is located in Europe, and all prices shown in our webshop include European VAT (Value Added Tax). However, if you are ordering from outside the European Union, no EU VAT will be charged at checkout — so the amount you pay will be lower than the listed price.
Please note: your local customs office may charge import duties and taxes upon delivery. These fees are not included in your order total and are the responsibility of the buyer. Import rates vary by country and are governed by local regulations.
We recommend checking with your country’s customs authority for more information about applicable import charges before placing your order.