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Red thing on TdF rider helmets - what is it?
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posted 7/26/2019
at 7:03:25 AM
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I've been watching the Tour and noticed that some riders have what looks like a small, flat red thing on the back of the helmets. It's below the foam on the left side. Does anyone know what it is? I'm guessing some sort of transmitter but I could be wrong.

It's not on all the riders, just some of them.

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posted 7/26/2019
at 7:53:18 AM
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I know, and I ain't telling HA!


Actually, I think I read that the thing is something that sends out some sort of message in the event of a crash.

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posted 7/26/2019
at 3:27:03 PM
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Something along these lines?

www.popsci.com/bike-helmet-crash-detection/

I wouldn't be surprised if it is a transponder to help locate riders if they for example crash down the side of a mountain with no spectators or camera bikes around.

Recently there was the story of a team director for Trek-Segafredo who was reported missing by his wife when he didn't return from a ride. He was found when folks tracked him down via Strava live updates from his phone.

Search for "steven de jongh found" and you'll find articles about it.
post edited on 7/26/2019 at 3:30:36 PM

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posted 7/26/2019
at 3:46:49 PM
post #3 viewed 238 times
Something along these lines?

www.popsci.com/bike-helmet-crash-detection/

I wouldn't be surprised if it is a transponder to help locate riders if they for example crash down the side of a mountain with no spectators or camera bikes around.

Recently there was the story of a team director for Trek-Segafredo who was reported missing by his wife when he didn't return from a ride. He was found when folks tracked him down via Strava live updates from his phone.

Search for "steven de jongh found" and you'll find articles about it.

-- posted by vkan
The already have a transponder under the seat to assist with timing.

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posted 7/27/2019
at 6:44:13 PM
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That gave me a direction to look at. From what I could see, most of the devices were on Specialized helmets and Specialized makes the ANGI crash sensor so that's probably it www.specialized.com/us/en/angi-crash-sensor/p/170203

Thanks for the help!

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posted 7/27/2019
at 7:36:10 PM
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>The already have a transponder under the seat to assist with timing.
-- posted by tojesky


Having something on the rider can maybe help if they are separated from the bike and are deep into the woods beyond the roadway.

www.youtube.com/watch?v=-qxFTrtSHAE

Luckily, he didn't end up too far down the mountain and he remarkably was able to get back on the bike.


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