What if smart trainer does not seem accurate?

This troubleshooting question is not about a problem with Sufferfest, but since I love Sufferfest, I hope that someone here can advise.

I have a Kickr Snap, purchased in late 2018 from my bike shop, and while I used to be able to tighten the resistance two full turns against my tire, I am only able to turn it 1.25 now before I just can't make it go any tighter. Nothing else is different with how I am setting up my trainer and bike(s).  I inflate my tires to 110 and use the tires that are just for trainers.

The spin down calibration used to work as it was supposed to, but now it is taking much longer...up to 30 seconds to spin down. I therefore don't know if I can trust that anything is accurate when I ride the Sufferfest videos (or if I do other workouts using the Wahoo app). Sometimes the trainer sounds like a helicopter too. If everything was the same, like how I feel when I am riding, then I would not care. But I am for sure beating my ass today and all, my heart rate seems to agree...yet the power readings are saying I'm lower than how I feel. Since this was not the case before my trainer spin down problems, I just don't know what's accurate and what to do. 

I don't mind investing more $ into a better trainer that is accurate and reliable. Is Sufferfest able to recommend the best trainer? Or can the community do so? I do have a warranty thing going on with my Kickr Snap but I don't want to just have the same problem with a replacement. I want one that is going to be accurate and reliable for longer than a few months.

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9 comments
  • Hey Elizabeth,

     

    Wahoo have a great support team so hopefully, they are able to get you taken care of with your Snap.  As far as the best trainer, there are many that work very well with the app.  The Snap is a great option but if you are after accuracy and ease of use check out a direct drive trainer.  The mid-level direct drive trainers like the Tacx Flux and Elite Direto will have a bit of trouble jumping to every resistance level so they may need you to shift gears a bit much like most people need to do with wheel on smart trainers.  They often require an upshift for bigger efforts and a downshift to hit low recovery targets... of course, much of that depends on how powerful of a rider you are.

    The higher end direct drive trainers like the KICKR, Neo, Drivo, and Kinetic R1 can handle Erg mode at every level with shifting gears required rarely if ever.  They also claim to be slightly more accurate but that's not something I dig into very deeply as it doesn't matter much as long as they are consistent.

    I hope that this helps a bit.

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  • Thank you, Cody. I have a warranty replacement coming soon. If this does not work then I will try the direct drive. I agree with you that consistency is important. So do you think that I ought to do another Full Frontal in order to "calibrate" myself to whatever the trainer is doing now vs how it was?

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  • Glad to hear that you have one coming Elizabeth. Re-testing is probably the best thing to do as long as you are in a good spot to retest.

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  • My replacement arrived and there are no calibration issues this time, and it just seems like altogether a better unit. I also did the 4DP test again. So far so good! I am looking forward to seeing how the weeks ahead go with the new values. Thanks!

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  • Such great news!  Of course please do let us know if you run into any further issues.  Happy Suffering!!

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  • HI! I use the Cycleops H1 smart trainer. I just started testing out the Sufferfest App. I love it but I am having problem calibrating to the workout. It spin so fast that I am unable to generate any power. I also have Zwift and the Zwift is working fine as far as the calibration goes. I did CALIBRATE the H1 using Rouvy and Saris app. All the calibration was successful. Do you have any suggestions? Thanks!!

     

    John

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  • Hi John,

    My guess is that your FTP is set too low in the app.  If you go to Settings>Workout Settings, you should see your FTP there.  It is probably still set at the default 100 or 150 watts.  I think increasing that will help you out.

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  • Hi Cody! I did the 4DP rest and it is showing my FTP at 200. Should I customize by setting it to 200? I am using all the results from my 4DP test. Thanks!! Will try it again! Have a good day!

    John

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  • You shouldn't need to add a custom setting then.  Just go to Passport>Profile and make sure that your 4DP profile is in place there.

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