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Using the PowerPod Power Meter Indoors

Using the PowerPod Power Meter Indoors

Indoor training has seen a dramatic increase in popularity in recent years. Not only are there some distinct advantages to riding indoors, but the advent of popular training apps such as Zwift, TrainerRoad and Sufferfest (just to name a few), has also contributed to its rise. And whether you’re using one of these popular apps or are just crushing some intervals, a power meter can make all the difference!

While there are several options for an indoor power meter, in this article we want to focus specifically on the PowerPod power meter and its ability to measure power when indoors. In addition to being highly affordable, most folks are surprised by what this little device is capable of. So let’s learn a bit more, shall we?

Using the PowerPod Power Meter Indoors


Direct vs. Opposing Force Power Meter Recap

Most power meters are located somewhere in the drivetrain (pedals, crank arm, crank, hub, etc.) and use strain gauges to measure the direct force the rider generates. These power meters are appropriately referred to as direct force power meters (DFPM).

However, the PowerPod works differently. It’s an opposing force power meter. That means the PowerPod measures power by calculating the forces that oppose the rider. These opposing forces are wind, gradient, acceleration and friction. It’s a nifty little power meter, offers some great advantages compared to a DFPM and once set-up and calibrated, provides reasonable accurate data. However this begs the question…can you use the PowerPod indoors on your trainer or rollers?

The answer is yes. However, since there are obviously not any opposing forces to measure when you are training inside (as your bike is stationary), the PowerPod measures power a bit differently when you are indoors.


Known Power Curves

Every trainer or set of rollers has what is called a known power curve. The power curve just determines how much force (measured in watts) it takes to ride at a given speed. The faster you ride, the more force it takes. However, since every trainer or set of rollers has its own resistance characteristics when under load, it’s power curve will also be unique.

Take the CycleOps Fluid 2 Trainer for example. The image below illustrates its unique known power curve. As you can see, it takes 200 watts to ride at 27.5 km/h. Or it takes 400 watts to ride at 36.5 km/h.

CycleOps Fluid 2 Trainer Power Curve

Image credit: Power Curve Sensor


How the PowerPod Measures Power Indoors

Ok, so why is a known power curve important? Well, if a program or in this case a device, knows both (a) the known power curve of your trainer or rollers and (b) your speed, it can compute your power.

Velocomp (the manufacturer of the PowerPod) has painstakingly programmed the known power curve of dozens of the most popular trainers and rollers into the PowerPod – thereby allowing you to use the PowerPod Power Meter indoors.

Specifically, if you want to use your PowerPod inside, you simply set it to ‘Indoor Mode’. Next, just select your trainer or rollers from the list provided in its software. Then, based on your speed (which is knows from your speed sensor), it will compute your power – voila!

This method of indoor power measurement actually works quite well as it’s pretty foolproof. To be fair, this technology is not unique to the PowerPod. TrainerRoad for example uses it’s VirtualPower which is the exact same concept.

The only consideration here is that you need to make sure your trainer or rollers is on the list. Velocomp doesn’t publish this list that we are aware of, but if you want to check with us we can confirm for you. Oh and one last tip – when it’s time to head back outside, make sure you turn off Indoor Mode – otherwise your outdoor readings will be wacky.

Happy indoor training!

Josh Matthew

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  1. David

    Is the Lemond Revolution (direct drive non-smart fan trainer) on the indoor supported list for the PowerPod? Thanks for checking.

    1. Power Meter City

      Hi David, thanks for the question. Only the Lemon Pro Wind is listed. Thank you!

  2. Aw van der Gaag

    Hi, can you tell me if the Elite Qubo Digital Smart + trainer is on the list ?

    1. Power Meter City

      Hi there, the Elite Qubo Fluid is. Elite should be able to tell you how close the power curve of this unit is to the one you own. Thank you!

  3. Josh

    Is the power curve for the Saris Aluminum rollers available with the powerpod lite and/or the powerpod V4 power meters?

    1. Power Meter City

      Hi Josh, Unfortunately, no. Sorry. We are here if there is anything else we can do! Ride safe!

  4. Jussi Hämäläinen

    Hi, Is Lifeline TT- 02 on the list?

    1. Power Meter City

      Hi Jussi. Unfortunately, there is no power curve for that trainer to be used with the PowerPod.

  5. Tim McKenney

    I want to use my Powerpod Lite with trainer on Zwift. Where do I go to change to indoor use? My trainer is the Saris Mag Plus. Is it on your list?? Thanks a ton, anxiously awaiting your reply!!

    1. Power Meter City

      Hi Tim. Thanks for the question – happy to help! Set your PowerPod to ‘Indoor Mode’. Next, just select your trainer or rollers from the list provided in its software. Unfortunately, there’s no Saris Mag Plus on the list. We are here if there is anything else we can help you with!

  6. Edward

    Hi. Will this work on a spin bike? I have the Schwinn ic4 / ic6

    1. Power Meter City

      Hi Edward. This only works indoors on trainers and rollers, not on spin bikes. Thanks

  7. Chris

    Are Kreitler Rollers on the list?

    1. Power Meter City

      Hi Chris. Unfortunately, there’s no Kreitler Rollers on the list. We are here if there is anything else we can help you with!

  8. Martin Towbin

    Is the Livestrong LS9.9IC on the Power Pod list of compatible spin bikes? Thank you.

    1. Power Meter City

      Hi Martin. I don’t see the Livestrong LS9.9IC on the list at the time being. We are here if there is anything else we can help you with!


    Hello, great article. Thanks for breaking this subject down in simple terms. Please would you advise if the Elite Superchrono Mag trainer is compatible with this Powerpod. Thank you for checking.

    1. Power Meter City

      Hi Kurien. Thank you! Yes, “Elite Superchrono” is listed. We are here if there is anything else we can help you with!


        My computer (IGPSport50E) does not support power meter data, Question: Does Powerpod display on its own head unit for outdoor riding? In case not, does powermeter data eventually get uploaded to apps such as Strava, nevertheless? I’m guessing it will display on indoor head units such as laptop, tablet, TV.

        1. Power Meter City

          Hi Kurien. It works just like any power meter. It must be used with a bicycle computer (head unit), such as a Garmin, and your real-time power metrics are visible on the Garmin. After your ride, you can upload your data to any 3rd party site including Strava – again, just like any power meter. Thanks!

  10. Ryan

    Hi there, Im currently using a Jet Black Mag pro. Is this compatible? Thanks for the article!

    1. Power Meter City

      Hi Ryan. The Jet Black Mag Turbo is, which should have a similar power curve. Thanks!

  11. Alex

    Hi, does someone if the Saris M2 (Cycleops Magnus M2) is on the list?

    1. Power Meter City

      Hi Alex, yes it is, good to go!

  12. Leonardo

    Hi! I saw a comment of 2019 where someone ask about tacx galaxia and the answer was no. Is there a update about it? Still not listed? Actually, works for any rollers? Thanks!

    1. Power Meter City

      Hi Leonardo. Velocomp is currently not adding new trainers so that answer still applies. Just like trainers, it works for most but not all rollers. Thank you!

  13. Felipe

    Is the tacx bushido t2790 on the list?

    Thanks for your help!!!! I’m really interested in powerpad.

    1. Power Meter City

      Hi Felipe. That is considered a smart trainer so it won’t be on the list. Thanks.

  14. Mario

    Hic is it compatible with the tacx blue twist trainer?

    1. Power Meter City

      Hi Mario, thanks for the message. Yes, it is compatible. Thanks

  15. Alejandro

    Is the Giant Cyclotron Mag on the list?

    Thanks in advance

    1. Power Meter City

      Hi Alejandro. The Giant Cycletron Fluid Comp trainer is on the list and I would assume it has a similar power profile. Thank you.

  16. Tim

    I’ve got the Isaac software up and running to configure the Powerpod, there’s a list of trainers (and rollers) but I can’t see anything by Wahoo. Which of the trainers listed has a power curve that most closely matches the Wahoo Kickr Snap?

    Thanks for your help!

    1. Power Meter City

      Hi Tim. Please note all Wahoo trainers are “smart” and already transmit their power data out to head units. There is no need to use a PowerPod with smart trainers. Thanks!

  17. Robert

    Thank you for the article. Are the Travel Trac Fluid trainers on that list for the Power Pod? Thank you.

    1. Power Meter City

      Hi Robert. Yes, it’s on there!

  18. kelly

    Are the tacx galaxia rollers in the list of trainers in the power pod? Thanks!

    1. Power Meter City

      Hi Kelly. I don’t see those on the list at the time being. Please let us know if you have any other questions.

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