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post #1 of 34 Old 01-25-2011, 10:05 PM Thread Starter
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Deep thoughts: Dyna Beads

Confession: I have spent way too much time recently pondering questions about Dyna Beads. Probably a symptom of PBS since the roads here are still covered in ice. Anyway, thought I would launch these out into Strom world and see what comes back.

Q1: I know that some people swear by Dyna Beads. I also hear others say that they have never needed to balance a motorcycle tire. Are the Dyna Beads really doing anything or being credited for solving a problem that was never really a problem?

Q2: I have seen the Dyna Bead demo showing a plastic water bottle being spun at the end of a drill, all wobbly and out of balance until Dyna Beads are added to the bottle. Nice science experiment but does this really translate over to balancing a motorcycle tire?

Q3: I heard that Dyna Beads are the same thing as bead blasting media (think "sand" blasting but with tiny glass beads as the media). If so, Dyna Beads are a bit overpriced since 10 lbs of bead blasting media costs about $25. Does anyone have any info on the idea of using bead blasting media in place of Dyna Beads?

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post #2 of 34 Old 01-26-2011, 04:48 AM
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Quote:
Originally Posted by midlifeadv View Post
Confession: I have spent way too much time recently pondering questions about Dyna Beads. Probably a symptom of PBS since the roads here are still covered in ice. Anyway, thought I would launch these out into Strom world and see what comes back.

Q1: I know that some people swear by Dyna Beads. I also hear others say that they have never needed to balance a motorcycle tire. Are the Dyna Beads really doing anything or being credited for solving a problem that was never really a problem?

Q2: I have seen the Dyna Bead demo showing a plastic water bottle being spun at the end of a drill, all wobbly and out of balance until Dyna Beads are added to the bottle. Nice science experiment but does this really translate over to balancing a motorcycle tire?

Q3: I heard that Dyna Beads are the same thing as bead blasting media (think "sand" blasting but with tiny glass beads as the media). If so, Dyna Beads are a bit overpriced since 10 lbs of bead blasting media costs about $25. Does anyone have any info on the idea of using bead blasting media in place of Dyna Beads?
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post #3 of 34 Old 01-26-2011, 06:06 AM
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I just spend 5 mins using 50 cent stick on weights to balance and I am in business....

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post #4 of 34 Old 01-26-2011, 07:30 AM
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post #5 of 34 Old 01-26-2011, 08:59 AM
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Oh God, why did you mention Dynabeads? :rolleyes5:

I'm so scared... :scared:

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post #6 of 34 Old 01-26-2011, 10:35 AM
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I personally use them because I change my own tires and it makes it super easy to do at home. I am now on my second set of tires with them and no complaints. I never had a problem with OEM or stick on weights either, just don't want to mess with a balancer at home.

They are nothing like any blasting media I have ever used.

All I can offer re: never balancing tires is that I spent about 10 years working as a mechanic. In that time, I changed hundreds of sets or tires. I can count on one hand the number of tires that spun on the computer balancer and required no weights.

I never tried to run tires that were out of balance on a bike to see if it could be felt. I have lost a wheel weight on my truck, and there is no question that you can tell something is wrong.

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post #7 of 34 Old 01-26-2011, 11:56 AM
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post #8 of 34 Old 01-26-2011, 11:58 AM
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Definitely not blasting media...maybe media for ball grinding mills. I think they're too heavy for blasting and wouldn't be picked up in the air suction.
Ceramic Media, Ceramic Ball, Grinding Media, Burnishing Media, Grinding Beads of Glass, Steel, Steel Shot, Ceramics of Alumina, Zirconium, Tungsten Carbide

I'm in agreement with balancing anything that rotates. Even if you can't feel it, your bearings, suspension, and tire rubber can feel it. There may be longer tread life due to the tire rubber heating less when it isn't bouncing up & down on the road.

It would be very interesting if someone with a good balancer would run a test something like this...mount up a new tire and determine how much weight it takes to balance. Put the balancing weight in the opposite spot, exactly wrong. Take it for a test ride and note the vibration. Install the balancing beads, take a test ride, and note the vibration level now.

Here's a link to one of Dynabeads competitors:
Home
These folks are not in the motorcycle bead business, but a bit of proof that this concept does work.

By the way, several states are now prohibiting installation of new lead wheel weights. The alternatives are steel, zinc, or composite weights, or balancing beads. 3M has stick-on weights for car and motorcycle wheels, but due to the greater size for the same weight vs. lead, the new weights will be bigger.

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Last edited by PTRider; 01-26-2011 at 12:01 PM.
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post #9 of 34 Old 01-27-2011, 03:05 AM
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I use U.S. ultraseal - perfect balance plus puncture protection. Test ride before adding sealant revealed noticeable vibrations.

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post #10 of 34 Old 02-02-2011, 11:53 PM
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Quote:
Originally Posted by midlifeadv View Post
Q3: I heard that Dyna Beads are the same thing as bead blasting media (think "sand" blasting but with tiny glass beads as the media). If so, Dyna Beads are a bit overpriced since 10 lbs of bead blasting media costs about $25. Does anyone have any info on the idea of using bead blasting media in place of Dyna Beads?
I personally don't mind paying the relatively small price for the "DynaBeads". I can reuse 95% of them. They have to make some money, whoever they are. The DynaBeads I bought came with a nice system for installing the little things.

True that one of the other balancing systems will seal the leak in your tire should you get one but I can't re-use it and I hear it's more money; probably not that much more-?

I have to say that static balancing with weights always has me thinking the weights are going to fall off but they never have.

It is interesting about the sand blasting beads but what will I do with the left over 9lbs 11oz-? I wonder if they are one and the same but just washed clean or something or nothing. I have never used glass beads for sand blasting. I haven't sand blasted since high school metal shop class in 1975.

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