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What are these things on my spokes?

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What are these things on my spokes?

Old 01-15-19, 11:41 AM
  #1  
ramzilla
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What are these things on my spokes?





And, how do I get them off?



Araya wheels on a 86 Shogun 2000.
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Old 01-15-19, 11:45 AM
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don't know what they are, magnetic trigger sensor of some kind?
slide the metal sleeve off, and then pop the other part off the spoke.
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Old 01-15-19, 11:46 AM
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Magnets for a bicycle computer.

Push the silver part towards the rim, and pull the black part towards the hub. ... or it could be the reverse.
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Old 01-15-19, 11:50 AM
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I think the black part goes in (and out) the flared side of the silver part on those, so slide the whole thing up a bit, then push the black part out towards the rim.
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Old 01-15-19, 11:56 AM
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Yep computer magnet of some sort.
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Old 01-15-19, 01:07 PM
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Originally Posted by Chuckk View Post
I've never seen a computer magnet like that. What kind of computer uses it?
All wired computers have a magnet like that on the spoke and a sensor on the fork that counts the number of times the magnet passes the sensor to calculate speed and distance based on the circumference of the wheel.
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Old 01-15-19, 01:11 PM
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I do not recall the make but I have owned a couple computers with sensors like that.definitely older models.
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Old 01-15-19, 01:26 PM
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Thanks for the help. You were correct. It was a metal clip holding a plastic piece that contains a magnet. A real PITA to pry off the spoke. I wonder why there are 4 of them on the wheel. Must have been a really advanced computer thingy.
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Old 01-15-19, 01:28 PM
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Deer whistles.
Bet you haven't hit a deer recently? Best to leave them on?
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Old 01-15-19, 01:48 PM
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Originally Posted by ramzilla View Post
Thanks for the help. You were correct. It was a metal clip holding a plastic piece that contains a magnet. A real PITA to pry off the spoke. I wonder why there are 4 of them on the wheel. Must have been a really advanced computer thingy.
​​​​​​
they were magnet doping! "My cruising speed is 60mph." .
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Old 01-15-19, 03:20 PM
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Balance, as it is with all things.
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Old 01-15-19, 04:06 PM
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Originally Posted by Chuckk View Post
I've never seen a computer magnet like that. What kind of computer uses it?
My Sigma Sport uses that type of attachment system although the magnet is shaped a little different.
https://www.mikesbikes.com/product/s...EaAu3WEALw_wcB
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Old 01-15-19, 05:02 PM
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Originally Posted by ramzilla View Post
Thanks for the help. You were correct. It was a metal clip holding a plastic piece that contains a magnet. A real PITA to pry off the spoke. I wonder why there are 4 of them on the wheel.
You get a higher speed reading without having to work harder.
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Old 01-15-19, 05:08 PM
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Originally Posted by LesterOfPuppets View Post
​​​​​​
they were magnet doping! "My cruising speed is 60mph." .
Now there's an idea. I have a box full of those from previous projects. And some 40-spoke wheels ...
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Old 01-15-19, 05:36 PM
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Originally Posted by ramzilla View Post
Thanks for the help. You were correct. It was a metal clip holding a plastic piece that contains a magnet. A real PITA to pry off the spoke. I wonder why there are 4 of them on the wheel. Must have been a really advanced computer thingy.
One for speed, one for distance, one for cadence, one for altitude.
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Old 01-15-19, 05:52 PM
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Originally Posted by ramzilla View Post
Thanks for the help. You were correct. It was a metal clip holding a plastic piece that contains a magnet. A real PITA to pry off the spoke. I wonder why there are 4 of them on the wheel. Must have been a really advanced computer thingy.
It's so you can go 4 times as fast, and quadruple your mileage. Oldest trick in the book.
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Old 01-15-19, 06:29 PM
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Originally Posted by machinist42 View Post
Deer whistles.
Bet you haven't hit a deer recently? Best to leave them on?
HAHAHA nice to know I'm not the only one that was going here.
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Old 01-15-19, 06:52 PM
  #18  
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Front wheel all nice and clean now. Am going to convert this Shogun 2000 to a beautiful upright handlebar cruiser soon. Going to try to squeeze some big 1-3/8" Michelin tires on it.
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Old 01-15-19, 08:04 PM
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You just screwed up earth's magnetic field. Thanks a lot!
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Old 01-15-19, 08:30 PM
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Originally Posted by nlerner View Post
You just screwed up earth's magnetic field. Thanks a lot!
Sure did.

https://www.livescience.com/64486-ea...le-moving.html
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Old 01-15-19, 08:35 PM
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Here they are, I just don't think they're supposed to be over the nipples.
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Old 01-16-19, 07:48 AM
  #22  
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This thread made me laugh out loud.

Sense of humor especially in in the winter is always good.

nlerner and eja_ bottecchia are correct

Actually the transmitters which are ingrained at the molecular level in those four magnets on your wheel are not strong enough, individually, to keep the Earth's magnetic field functioning properly.
It takes four of them to focus the transmission to the north and south poles on the proper spectrum and achieve sufficient bandwidth.

However what was not mentioned is the bike needs to be ridden at least 50 miles a week to keep
the system working as designed.

You better get that bike rolling again soon.

The world is depending on you.

Footnote.

The magnetic field balancing system is calibrated for 27" wheels. If you switch to 700c or 650b or other wheel size it will need to be recalibrated.

If you do that I can put you touch with a guy I know at the agency that designed the system.

( Gosh, and still 2.5 months to April 1.)

Last edited by cooperryder; 01-16-19 at 12:22 PM.
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Old 01-16-19, 07:11 PM
  #23  
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Does nobody use these anymore? I thought this was the forum for people who have been around (bikes) for a while?

I still like the classic wired models for my commuter and trekking bikes as the battery lasts forever.
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