Assioma 1

Testing/review: The new Favero Assioma Powermeter

After the great success of the bePRO Powermeter, the announcement of the new Assioma Pedalpowermeter from Favero directly triggered a huge response. We have received many enquiries about the product from the first day. The first information about the new Favero Assioma sounded very good. Especially the fact that the installation is now much easier. No special tools will be needed any more. After some waiting time we could finally test the system and also deliver the first systems to our customers.

Favero Assioma - a completely new powermeter or a bePRO 2.0?

Many customers have asked us why the new Powermeter of Favero is not called bePRO 2. This initially caused confusion for some customers. The background to this is apparently that the brand name bePRO could not be adequately protected under trademark law in all countries or that there were trademark law problems with the designation in some countries. Unfortunately this is not a rare problem.

The new product name "Assioma" is the Italian word for "axiom". An axiom is a principle of a theory, science or axiomatic system that is not reasoned or deductively derived within that system.

Technically, the new Assioma Powermeter is a further development of the well-known bePRO Powermeter.

Our first impression of the new Favero Assioma

The Favero Assioma Powermeter pedals and also the packaging appear at first sight to be of very high quality and well manufactured.

Assioma 2

If you open the package, you will first be presented with the two Assioma Powermeter pedals. Under a cover you will find the accessories. In detail this is the charger with different plug attachments for country-specific sockets, two charging cables with magnetic plugs for the pedals, a set of pedal plates, an 8mm Allen key for mounting and the instruction manual in different languages. The instruction manual is now also available in German.

In direct comparison with the bePRO, the new Assioma Powermeter appears somewhat slimmer and more designed. Compared to the bePRO, the round transmitter unit has been significantly redesigned optically, making it look more modern and technical.

Assioma 3

The pedal bodies are almost identical. Here you can't see any difference at first glance. But the pedals are now fully Look Keo compatible. So they can be used not only with the Favero pedal plates but also with original Look pedal plates.

An essential technical difference is the omission of the lock nut. On the bePRO Powermeter (right in the picture), the mounting bracket had to be precisely adjusted using this nut. In addition to the somewhat more complex installation, there was also the risk that the axle could be pressed out of the housing if the bePRO was not installed properly (excessive tightening of the lock nut).

Even if it is only a small optical change, the Assioma Powermeter looks better.

NEW - the magnetic connector on the Favero Assioma

New is the magnetic connector on the Favero Assioma. The pedals are charged via the magnetic connector. Due to the fact that an open plug connection is avoided, the pedals are now even more protected against wetness and dirt. There is also no longer a need to cover the plugs. This was quickly lost on the predecessor - the bePRO Powermeter.

The assembly of the new Assioma Powermeter

This is where we were most excited internally. Has the new Assioma Powermeter now become a real plug&play system? We will do the test! Unpack, screw on, test.

The installation is indeed extremely simple. No special mounting tools are required and no special mounting angle or torque needs to be maintained. You can mount the new Favero Assioma Powermeter like a normal pedal.

In 1-2 minutes the pedals are mounted. This was previously only available with the much more expensive Powertap P1 Powermeter.

Calibration of the Favero Assioma Powermeter

Each Assioma Powermeter is calibrated at the Favero factory to guarantee its precision. Favero specifies here a measurement accuracy of +-2% of the power. Therefore, after installation, only a zero calibration (Zero Offset) is required. This can be compared to the tare function of an electronic scale.

To do this, the Assioma Powermeter must first be connected to the bike computer.

Zero calibration is carried out via the bike computer. Depending on the model, this is also called "calibration" in the menu. As with any power meter, this zero calibration should be repeated at regular intervals to eliminate possible measurement errors.

Temperature compensation of the new Assioma Powermeter 

In the range from -10 to + 60 degrees Celsius, the Assioma Powermeter automatically compensates. In practice, this should ensure a corresponding measuring accuracy in all common temperature ranges.

Favero App for the Assioma Powermeter

Also new is the Favero app for the Assioma Powermeter. With this app the pedals can be connected to the IPhone / Android Phone. The setup function allows you to set the crank length and, if necessary, to store a measurement correction value.

Assioma 4

Function test on the Cyclus 2 ergometer

The test on the high-precision Cyclus 2 ergometer has proven itself in our test setup for many years. Here we mainly test the range of 100 to 400 watts which is relevant for most athletes in training and competition.

Assioma 5

For this purpose, we increase the power from 100 watts every minute by 50 watts. In our experience, the measuring accuracy can be derived very well from these values in practice.

Measurement results

In the test, the new Assioma Powermeter shows extremely good measured values. We determine the average value in each stage.

The measured values are therefore at the level of a SRM or perhaps Quarq Powermeters, both of which have set reference values in our tests in the past.

Cyclus 2Favero Assioma
100 watts98 watts
150 watts151 watts
200 watts203 watts
250 watts251 watts
300 watts302 watts
350 watts353 watts
400 watts402 watts
In comparison, the Assioma shows itself to be quite precise

We have the double-sided version Assioma Duo tested. Experience has shown that the one-sided version can always have slightly larger deviations due to the one-sided measuring technique. We will test this version as well, but the measured values here vary from driver to driver due to the individual left / right distribution (dysbalance). This makes a test with a one-sided system more and more difficult to transfer.

Conclusion

With the new Assioma Powermeter, Favero has set a new milestone in the field of pedal power meters.

The Favero bePRO power meters were extremely good and reliable right from the start. Here we were already surprised, because other manufacturers often needed several years and development stages to produce functional and reliable powermeters.

Especially in the field of pedal power meters many other manufacturers had to struggle with problems. The development of the Garmin Vector, for example, has taken considerably longer than 5 years and even the current version has some minor problems. Other manufacturers such as Polar are in our opinion even working on the project "Pedal Powermeter" failed.

With the Assioma, Favero has now improved a lot compared to the already very good bePRO. Thanks to the very easy installation, it is now a real plug & play power meter that can be changed between different wheels really quickly and easily.

With 799,- EUR (RRP) for the Assioma DUO and 499,- EUR (RRP) for the Assioma UNO, both models are also very attractively priced.

In our view, both models are a clear recommendation to buy. Our tip is the double-sided version Assioma DUO, as it offers a very accurate double-sided measurement at a still low price compared to other manufacturers. This means that deviations due to a left/right dysbalance, with which one-sided systems quickly struggle, can be excluded.

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