OREKA O5 Review

OREKA 5 is definitely one of the most interesting trainers available on the market. Its unusual structure and side-to-side tilt function is something unheard of in the world of stationary cycling. Mainly with this feature, the Spanish company is looking for its chance to appear on the hermetic market of training devices.

OREKA O5 – Trainer

Personally, I admire this type of thinking, because an innovative approach and the idea of ​​building something completely different is now a rare practice. All new companies are trying to enter the market just repeating the usual patterns or even copying the solutions of their competitors. OREKA is different.

What’s inside the package and my first impressions

The package includes a trainer with a base that we have to assemble ourselves. This operation is very simple and additionally does not require any tools, because the feet are connected to the base with convenient pins. In addition to the base unit, the set includes adapters for a thru axle and a reduction for ten and nine-speed cassette. A good quality quick release is also included with the package, but the cassette is missing.

OREKA O5 – Cassette view

For the assembly of bicycles with a thru axle, you will use the adapters from the set and a quick release. This is a different solution than in the case of other devices, where we use a thru axle that we have on a bicycle. For people who often take off the bike and use it for example outside, I would like to pay attention to the fact that the freehub is not permanently attached to the unit and likes to slip off.

OREKA O5 – Mounting of the feet

One of the unique features of the Oreka O5 is that it does not require any power supply to work. The trainer uses the generated energy to transmit training parameters. This gives you a lot of freedom in choosing the place of training. The manufacturer has designed this part very well, because despite its size and weight, transporting the unit is super easy thanks to the installed wheels.

OREKA O5 – Transporting wheels

The unit is very solid and most of the device is made of steel. The flywheel is enclosed so it’s very safe and there is almost no danger causing by the rotating parts. The drive is transmitted via a belt, which also looks much more solid than in the case of other devices.

OREKA O5 – Belt

In the rear part of the housing, you will find the pneumatic „muscles” which are responsible for the left and right tilt of the bike, which you can read about later in the review.

OREKA O5 – Pneumatic actuator

The device itself takes up a lot of space after unfolding the legs and does not fit on the standard mat for the trainer. The bases are very solidly rubberized and should not scratch the floor. Such a wide track gives a feeling of unprecedented stability and driving comfort, even during sprints and standing.

OREKA O5 – Wheel base

Communication

OREKA O5 connects to applications and other devices using Bluetooth and ANT + FE-C protocols. The trainer can only be connected as an interactive trainer, so it will control resistance and display power and speed.

OREKA O5 – Trenażer

According to the manufacturer’s assurances, the trainer does not require calibration (this situation is known from the KICKR and TACX NEO models). Application supplied with the device is very basic and simple software. It is mainly for update the trainer software and has very little functionality when it comes to training. To take full advantage of the unit, I recommend using external applications for example ZWIFT.

Noise

Due to the use of a unique drive system, OREKA is not a silent trainer. It makes a characteristic roaring noise the intensity of which increases with load. It’s louder than the Wahoo CORE, or the DIRETO XR, or even the ELITE SUITO, but still quieter than the roller trainers.

Accuracy

OREKA O5 does not have a built-in power meter (such as DIRETO), so the measurement is estimated from the movement of the flywheel. A characteristic feature when it comes to power readings of Oreka O5 is that the trainer is averaging the power values. This has its pros and cons. On the one hand, it is much easier to maintain the assumed training values, and on the other hand, OREKA reacts slower and reaches the training target values. This is especially visible when using the ERG mode.

OREKA O5 – Drive

Below is a series of comparisons in which I used a double-sided meter built into the pedals as a reference – the Garmin Vector 3.

  • OREKA.O5 – orange, Garmin Vector  3 – blue

  • OREKA.O5 – orange, Garmin Vector  3 – blue

  • OREKA.O5 – orange, Garmin Vector  3 – blue

  • OREKA.O5 – orange, Garmin Vector  3 – blue

  • OREKA.O5 – orange, Garmin Vector  3 – blue

  • OREKA.O5 – orange, Garmin Vector  3 – blue

The average power values ​​from the entire training are comparable to the measurements from the reference power meter. The deviations are small and difference between two units are only few watts.

Due to the mentioned power averaging, you can notice slower reactions to sprints especially on very short intervals.

  • OREKA.O5 – red , Garmin Vector  3 – green

  • OREKA.O5 – red , Garmin Vector  3 – green

  • OREKA.O5 – red , Garmin Vector  3 – green

  • OREKA.O5 – red , Garmin Vector  3 – green

  • OREKA.O5 – red , Garmin Vector  3 – green

Oreka has more problems with measuring cadence. In this case, the trainer shows incorrect values ​especially in the range of 60 to 70 revolutions, regardless if we are sitting or standing. The subject is already known to the manufacturer who promises to fix this in a future update.

ERG mode

In the case of ERG mode, OREKA behaves a bit differently than any other model I have dealt with. In order to precisely set the range in which we want to train, we have to use the gear ratios in the bike, which is not necessary in other devices. Additionally it’s hard to get and keep values ​​above 300W on a small crank, and to train at higher ranges, I definitely recommend spinning on a large plate at the front.

  • OREKA.O5 – orange, Garmin Vector  3 – blue

  • OREKA.O5 – orange, Garmin Vector  3 – blue

  • OREKA.O5 – orange, Garmin Vector  3 – blue

  • OREKA.O5 – orange, Garmin Vector  3 – blue

  • OREKA.O5 – orange, Garmin Vector  3 – blue

Due to the values averaging, it is much easier to complete training tasks and earn „stars” on ZWIFT. The only problem that occurs is stabilization and reaching high power values ​​in very short time periods such as 10-15 seconds.

Simulation mode

In the case of the simulation mode, regarding standard slope simulation that each trainer has, Oreka presents some new unique solutions and this is where magic happens.

OREKA O5 – Simulation mode

The first feature is the ability to reduce or increase the hardness of the bike tilt which has a direct impact on the feeling when climbing climbs. The pressure of the system is regulated with a regular bicycle pump, and 4.5 bar is the value recommended for riding uphill. In this case, the bike tilts more to the sides, and the riding when standing is very similar to what we feel when we are outside.

OREKA O5 – Trenażer

Another unique feature of the OREKA trainer is the Autowatt function. When pedaling with a low cadence of 50-60 revs and high power, Oreka is trying to simulate a specific pedaling pattern on a steep hill, similar to the operation of pistons. The trainer achieves this by reducing the load on the center crank section and increasing in the upper pedaling range.

In my opinion, this feature is not fully developed yet. The load changes are set at the wrong moment and the drive belt seems to be slipping. After 15 minutes of driving, this function disturbed me personally. If you have similar feelings, just spin with a higher cadence or reduce the difficulty factor on the ZWIFT platform.

The simulation of driving on hills is characterized with a delay of about one second in relation to the slope value that we see on the ZWIFT. The load change is very well felt, and Oreka is able to reproduce a grade of 25% which covers all hills across Watopia.

Side to side balance

The possibility of leaning to the sides of the bike during training is a unique feature of the Oreka trainer. It is the driving force behind the advertising campaign of this device and, in my opinion, its strongest point. It is not only a marketing trick, because this functionality increases the realism of the ride, generates less stress on the bicycle frame, and allows you to train more comfortably. Thanks to the possibility of adjusting the hardness of the actuators, we influence the angle of tilt bringing greater reality to ride.

OREKA O5 – Side to side balance

In addition, despite the use of the side to side balance system, Oreka is the most stable trainer I have had the opportunity to train on. It is not possible to raise the trainer even in standing sprints.

Summary

OREKA O5 is one of the most interesting trainers that we can find on the market. The company has approached many things in a new way which wasn’t seen on the market before. The possibility of tilting the bike while riding is a revolutionary idea and noticeably increases the comfort of riding and the real feeling.

OREKA O5 – Plugless

Complete independence from the lack of power supply is also a great solution that gives almost unlimited freedom when it comes to the selection the place of training.

In terms of power measurement, the trainer works quite well, but you have to get used to the slightly different ERG mode. Having to work in gear ratios is something different, but definitely not a bad thing. On the one hand, averaging power will help in the training, but on the other hand, it has its limitations.

The best way would be to have a possibility of to turned off in needed.

The cadence measurement should be improved, which differs a lot from the actual indications. I would also like to see some certain correction of the Autowatt function, but this one is only my personal opinion.

In general, the trainer is an interesting solution, but remember to have a lot of space when buying this device.

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