wrong speed data

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gello@azbeszt.hu
Posts: 3
Joined: Fri Jan 12, 2018 8:50 am

wrong speed data

Postby gello@azbeszt.hu » Fri Jan 12, 2018 8:58 am

I have an Aleno smart trainer which is connected to my android phone through bluetooth where i'm using the myetrainer app.
But I also have a Trek speed and cadence sensor connected to my bike computer.
During trainings my speed measured by the trainer is typically 4-5% slower than the speed measured by my computer. My computer is configured with the exact circumference of my tires. Is it possible that the trainer speed sensor is off, or it must be my computer showing the wrong data?

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Elite Admin S
Posts: 2771
Joined: Tue Nov 08, 2016 10:18 am

Re: wrong speed data

Postby Elite Admin S » Fri Jan 26, 2018 11:51 am

On your bike Trek, you have to modify the circumference value.
When the wheel is pressed on the roller, its dimension decreases (the roller goes to the inside of the wheel).
Check how much it goes to the inside and calculate the new circumference to set.

Regards

zetomanul
Posts: 2
Joined: Sat Oct 20, 2018 8:11 am

Re: wrong speed data

Postby zetomanul » Sat Oct 20, 2018 8:15 am

Hello

For my aleno using Garmin forrunner 645 the value is 184 km/h when actually rolling at maybe 10-11 km/h. It can't be the circumstances

Can you fix this for me ?

BR
Alin Z

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Elite Admin S
Posts: 2771
Joined: Tue Nov 08, 2016 10:18 am

Re: wrong speed data

Postby Elite Admin S » Thu Nov 08, 2018 1:14 pm

If you use Aleno, you have to set on the Garmin a circumference equal to the circumference of the elastogel roller.
So, you have to set a circumference of 94mm.

Please notice that not all the Garmin devices allow to insert a so low value.
Regards


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