dyna beads vs airsoft bb's vs copper bb's - Wrist Twisters
 
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post #1 of 27 Old 08-10-2015, 04:13 AM Thread Starter
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So I've looked at a couple of things online and the dyna beads seem to have an issue with sticking to the tire in some cases and throwing it off balance. Does anyone know what these are made of compared to regular airsoft BB's. Would it be practical to just use copper bb's instead of either of the beads? Doing a new set of tires and just wondering if they are worth the $$.

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post #2 of 27 Old 08-10-2015, 05:06 AM
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I've had zero issues with the dynabeads


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post #3 of 27 Old 08-10-2015, 05:07 AM
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I wish I could say hi had any experience with these; but I don't.
It does seem like black magic to me!

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post #4 of 27 Old 08-10-2015, 05:11 AM
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It's totally black magic and witch doctor level stuff but damned if it doesn't just work


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post #5 of 27 Old 08-10-2015, 06:04 AM
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I've used them for several years after discovering my long-held skepticism was not deserved. Apparently they only stick and clump if there is grease or moisture, etc., on the wheel or inside of the tire.

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post #6 of 27 Old 08-10-2015, 06:06 AM
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Quote:
Originally Posted by voodooridr View Post
It's totally black magic and witch doctor level stuff but damned if it doesn't just work
How do you know they are working? I use the stick on weights and have had them fall off and don't really notice any difference. I was thinking about using dynabeads too.

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post #7 of 27 Old 08-10-2015, 06:22 AM
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Dyna beads

I've had Dyna beads in the front tire of my 9er for several thousand miles now with no perceived problems. No evidence of imbalance from zero to 125 MPH at least. Don't know why any other small spheres wouldn't work as well though. I'd look for something inert like glass or ceramic and I'd use the same weight of beads that is recommended by Dyna.

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post #8 of 27 Old 08-10-2015, 06:47 AM
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Actually, I don't remember the last time I balanced a bike tire. Put the dot by the valve stem, make sure it's properly inflated, and I haven't had a problem.

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post #9 of 27 Old 08-10-2015, 07:53 AM
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I've used tyre beads on my track bike. They seem to be the same thing as dyna beads. No issues here up to 140mph.

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post #10 of 27 Old 08-10-2015, 08:03 AM
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Quote:
Originally Posted by marylandmike View Post
How do you know they are working?.
I don't really know they are working, I do know they aren't causing any problems and I have no tire related vibration at any given speed. I started using them in my truck tires because the bead savers on my tires would pop any weights I put on right off and the truck would shake like a nervous chihuahua, installed the beads and no more shake


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post #11 of 27 Old 08-10-2015, 10:15 AM
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I have been using dynabeads now for four years. I have even reused beads from one set to another without issues. With beads, I am able to change my own tires and not have a balance machine. Makes life a little simpler.
Dynabeads do have disclaimers though. They say not to use it with race tires as the rubber is too soft. I believe i read somewhere too that they shouldn't be used for automotive tires because of the flatter footprint (Unable to disperse correctly). Though I think some truckers use them....

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post #12 of 27 Old 08-10-2015, 11:31 AM
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There's gotta be a scientific breakdown of how they work somewhere. What does dynabead say about them in the sales pitch?

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post #13 of 27 Old 08-10-2015, 11:48 AM
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post #14 of 27 Old 08-10-2015, 01:48 PM
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post #15 of 27 Old 08-10-2015, 02:20 PM
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Witchcraft! Looks cool, seems to work!

30,000 mile 919 survivor. No plans of stopping the abuse any time soon.
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post #16 of 27 Old 08-10-2015, 05:00 PM
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Quote:
Originally Posted by scrat View Post
Witchcraft! Looks cool, seems to work!
dynabeads do not work. They "scientific" explanation is plain silly

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post #17 of 27 Old 08-10-2015, 07:07 PM Thread Starter
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Quote:
Originally Posted by zaq123 View Post

dynabeads do not work. They "scientific" explanation is plain silly
So what do you use? Frog's eyes and breath of a dragon?

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post #18 of 27 Old 08-10-2015, 08:03 PM
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I've got dyna beads in one of my sets of tires. The others have small craft beads from Walmart. They work just as well but have to go in before you head the tire. It wasn't my idea, thanks helimech!

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post #19 of 27 Old 08-10-2015, 08:30 PM
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Im not an engineer. However, their simple demonstrations do seem to do the trick.
In my mind, the heavy part of the tire will essentially swing out farther than the rest of the tire, and all the beads will end up there sooner or later, which will make an imbalance worse. Hence, I call it witchcraft; not trying to steal their thunder or discredit what may be an outstanding product, the dots just don't line up in my simple mind.
As I have said before, I simply put the dot by the valvestem and have not had any shakes, vibes, wobbles, or negative side effects from it, and I don't balance my tires because they work without it. Modern bike tires are well engineered (battle axes being an exception in my opinion) and well built, right out of the wrapper.

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post #20 of 27 Old 08-11-2015, 06:05 PM
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They work. Just pour them in before you set the bead. Scoop them out with a Solo cup with the top cut off!!!

http://www.amazon.com/s/ref=nb_sb_ss...alancing+beads

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post #21 of 27 Old 08-11-2015, 08:06 PM
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dynabeads are a no brainer, throw em in forget about it, smooth like glass.

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post #22 of 27 Old 08-12-2015, 02:16 AM
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Quote:
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dynabeads are a no brainer, throw em in forget about it, smooth like glass.
This.

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post #23 of 27 Old 08-12-2015, 11:58 AM
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I just spend the extra 5 min and balance them. Dont see the problem.

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post #24 of 27 Old 08-12-2015, 07:00 PM
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Quote:
Originally Posted by NZspokes View Post
I just spend the extra 5 min and balance them. Dont see the problem.
Dynabeads don't fall off on the road or mar the outside of the wheel like wheel weights do. :P

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post #25 of 27 Old 08-12-2015, 07:54 PM Thread Starter
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Quote:
Originally Posted by g00gl3it View Post
They work. Just pour them in before you set the bead. Scoop them out with a Solo cup with the top cut off!!!

http://www.amazon.com/s/ref=nb_sb_ss...alancing+beads
My question is, can I just use the same weight of airsoft bb's or regular copper bb's? I have plenty of both of those. The dyna beads are a bit pricey.

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post #26 of 27 Old 08-12-2015, 09:57 PM
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Not sure about airsoft, but copper bb's will chew the heck out of your wheel and probably rattle around a good bit.

These ceramic beads are REALLY small, almost like a powder when in a bunch. And for what it's worth, I'm still using the original beads I bought 5 years ago. I just scoop them out and re-use them.

But now that you can get them even cheaper on Amazon, it's a no-brainer IMO.

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post #27 of 27 Old 08-12-2015, 10:26 PM
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$15 for a kit, less for just refills and that's in CDN monopoly money.
I buy tires and a refill go home and mount up.
No more hanging around the bike shop$$ with a beat up tire balancer that may or may not be calibrated and oh we don't have those weights but our's are just as good. Dynabeads are ceramic, soft copper/metal no thanks.
Grampa showed me how to static balance a long time ago, some guys just don't mind vibration, i got no bar end weights.

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