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Bluetooth sensors

  • 19-06-2020 12:40pm
    #1
    ted1
    Registered Users, Registered Users 2 Posts: 23,901 ✭✭✭✭


    Is it just me or these just piece of cr@p, particularly the garmin one. I’m on my second one after the first one was replaced. Pairs with phone but does transmit data.


Comments

  • #2
    ted1
    Registered Users, Registered Users 2 Posts: 23,901 ✭✭✭✭ted1


    I use the Garmin app, Wahoo or Zwift, they'll see it and it'll work once. Then in future it'll connect but won't transmit data. a quick google seems to show its a common issue with them.


  • #3
    RunDMC
    Registered Users, Registered Users 2 Posts: 338 ✭✭RunDMC


    What Bluetooth sensor? Speed, cadence, HRM, power meter?

    R


  • #4
    ted1
    Registered Users, Registered Users 2 Posts: 23,901 ✭✭✭✭ted1


    RunDMC wrote: »
    What Bluetooth sensor? Speed, cadence, HRM, power meter?

    R

    Garmin speed sensor 2,

    I have a cheap cadence from aliexpress Megane 3 which seems better but still not great


  • #5
    Newtown90
    Registered Users, Registered Users 2 Posts: 1,615 ✭✭✭Newtown90


    Never had an issue with them. Have them on my 2 bikes but then again I use a 520 not a phone..


  • #6
    ted1
    Registered Users, Registered Users 2 Posts: 23,901 ✭✭✭✭ted1


    Newtown90 wrote: »
    Never had an issue with them. Have them on my 2 bikes but then again I use a 520 not a phone..

    Is that using Ant or Bluetooth ? I’m going to send it back and grab a wahoo one instead


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  • #7
    ED E
    Registered Users, Registered Users 2 Posts: 36,170 ✭✭✭✭ED E


    If you're zwifting a turbo with power is a no brainer, anything else is just messing.

    If you're not zwifting who the hell cares about the speed sensor? It's just a backup for GPS. Cadence/HRM are the useful ones.


  • #8
    ted1
    Registered Users, Registered Users 2 Posts: 23,901 ✭✭✭✭ted1


    ED E wrote: »
    If you're zwifting a turbo with power is a no brainer, anything else is just messing.

    If you're not zwifting who the hell cares about the speed sensor? It's just a backup for GPS. Cadence/HRM are the useful ones.

    It’s for the turbo trainer. Using Zwift but also for intervals/cardio.
    20 seconds at x pace and 20 seconds at y pace.
    The calibration of the pace isn’t wholly relevant. But is a good indication of effort. So if i’m tipping away at 30kmh and then bring it up to 60kmh which is a top output, i know the next interval I must target to maintain 60kmh for the next interval


  • #9
    ED E
    Registered Users, Registered Users 2 Posts: 36,170 ✭✭✭✭ED E


    Weepsie wrote: »
    Speed sensors are more accurate though are they not than GPS?

    They could be. If you really accurately measure circumference and always keep your tires at the same PSI. Nobody I know has done that.

    Over very short distances a speed sensor would have an advantage but most rides are 80km not 800m.


  • #10
    Qrt
    Registered Users, Registered Users 2 Posts: 1,647 ✭✭✭Qrt


    ted1 wrote: »
    I use the Garmin app, Wahoo or Zwift, they'll see it and it'll work once. Then in future it'll connect but won't transmit data. a quick google seems to show its a common issue with them.

    Have you managed to get the speed sensor working? I’d like something to record distance and this seems like a no-brainier, but I’ve heard mixed reviews, particularly with newer iOS devices.


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