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  1. #1
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    Garrmin Edge 800 and Speedtrap Sensor

    Folks, I need some advise.

    I got this Garmin Edge 800 and the SpeedTrap (ANT+) sensor.

    Do I still need to have the SpeedTrap on my Trek 2.1 or I just rely on the Garmin GPS to determine the speed. Or am I mixing things up?

  2. #2
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    I will advise you with some advice.

    Garmins give more accurate speed, distance and auto-pause function using a wheel sensor as it helps compensate for GPS wander and recording granularity. A Bontrager Duotrap sensor we have here works with the Edge so I suspect the SpeedTrap sensor will work as well.
    ... 'cuz that's how I roll.

  3. #3
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    Quote Originally Posted by cmtbiz View Post
    Folks, I need some advise.

    I got this Garmin Edge 800 and the SpeedTrap (ANT+) sensor.

    Do I still need to have the SpeedTrap on my Trek 2.1 or I just rely on the Garmin GPS to determine the speed. Or am I mixing things up?
    Agreed with looigi,
    Any Ant+ will work with your garmin

    In the bike profile set up, you will see a speed cadence sensor setting. Say yes to that after it's installed. Just pedal a bit, and it will say it found it.

    This is more accurate and you can use it on a trainer.

    Leave the wheel size set to auto unless you feel inspired to do a wheel calibration roll out. (if you are on a tainer tonight, set to manual and use 2098 MM. It's pretty close)
    It's a fire road.............
    I'm on a road bike..........

    They have enough in common to blast down it.

  4. #4
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    I see.. ok, I will try it out tonight on the bike. I actually have the Edge 800 and SpeedTrap with me right now. I stroke (back&forth) the magnet over the SpeedTrap and Garmin unit found it!! I hope the magnet will attach properly on to the bladed spoke. The one I got on my wheels are bladed spoke not the rounded ones.

  5. #5
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    Like was said, just use the speed trap - I just use the duo trap and it works great. the sensor that came with mine works fine on flat spokes. Make sure you enter your tire size if you want to have accurate readings though.
    Trek Domane 5.2
    Cannondale Synapse 3 Ultegra Disc
    Fuji Cross Comp
    Trek Dual Sport 8.4 (sold)
    1969 Camaro Pace car - numbers matching frame off resto
    1969 Camaro Coupe

  6. #6
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    Quote Originally Posted by Srode View Post
    ...Make sure you enter your tire size if you want to have accurate readings though.
    Yes. Either carefully measure tire circumference with the roll-out method and enter that, or simply let the Garmin calculate it. I find the latter to be sufficient for my purposes.
    ... 'cuz that's how I roll.

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