Dangers of Unbalanced Tires??? - R6Messagenet.com
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post #1 of 17 (permalink) Old 05-18-2004, 10:26 PM Thread Starter
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Dangers of Unbalanced Tires???

My buddy and I put on my new Diablos about a month ago. He ghetto-rigged a small pole and some stabilizers to keep the tire off the ground (when "balancing" the tire...The rod went through center of the wheel and was kept up on each side by a jack stand and something else on the other side). When the wheel was spun, it didn't settle to a "heavy spot".

I know this was ghetto as all Hell but he said he'd done it before like that. I put them on my bike today and went on a little ride. The tires are brand new. I felt as if it was a little bumpy but I don't know if it was the road, the fact that I haven't ridden in a while, or the fact that the tires are brand new and unbalanced (or a combo of them all) that made it feel that way. It WASN'T like this on all surfaces. Could be that I never noticed the bumps in the roads before

In any case, I'm supposed to go on a "spirited ride" (i.e. not balls out but twisties at a faster pace) tomorrow and wondered if I'd be alright on tires that weren't properly balanced???

Thanks for the info!

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post #2 of 17 (permalink) Old 05-18-2004, 10:35 PM
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first question, did you line the tire up correctly on the rim?

Greg
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post #3 of 17 (permalink) Old 05-18-2004, 10:40 PM
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Maybe this is just me, but let's face it...after every ride you take, your tire has just become unbalanced. When I ride, I notice how much the tire degrades...I can't imagine it staying balanced for very long under normal use. ???

~Z~
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post #4 of 17 (permalink) Old 05-19-2004, 06:29 AM Thread Starter
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Quote:
Originally Posted by JarheadR6
first question, did you line the tire up correctly on the rim?
You mean the dot (on the tire) and the valve stem? If so, yes.
And both the directional arrows on the tires face the same way (pointing forward toward the nose of the bike)...

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post #5 of 17 (permalink) Old 05-19-2004, 07:05 AM
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I have had my weights fly off my wheel and I rode like that for about a month without any problems. I would think it depends how far out of balance the tire is. If it's bad you will feel it at high speeds.
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post #6 of 17 (permalink) Old 05-19-2004, 09:01 AM
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thats not a bad way to check the static balance of your tires....that is completley acceptable....ride on and dont worry about it...different tires are going to feel different....
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post #7 of 17 (permalink) Old 05-19-2004, 09:39 AM
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Ride it!

At the track the tire guys balance by putting the wheel on a rod between two stands and spinning to find the heavy spot.

I do all my own tires and balancing and have never had a problem, new tires are pretty well balanced. I have lost weights and never noticed a thing.

Ernie
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post #8 of 17 (permalink) Old 05-19-2004, 10:41 AM
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The big difference though between the track guys and what it SOUNDS like you did was they have those rods on a set of VERY smooth free turning bearings and aren't depending on the stock bearings to allow the wheel to move.


That difference could be the difference between the wheel freely seaking the heavy side down and just sitting there doing nothing (even after you try to help it start spinning) due to the stiction of the grease and seals of the bearings.

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post #9 of 17 (permalink) Old 05-19-2004, 11:10 AM
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Alex is right, but it can be done using your stock axle. It just takes some time. Just spin it a handful of times taking note where it stopped and just average them to find the heavy spot. Add a small weight and repeat to make sure you don't need to add any more. It works perfectly fine, but if you are going to be changing tires a lot then making a setup with some better free spinning bearins would be well worth it.
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post #10 of 17 (permalink) Old 05-19-2004, 11:29 AM
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No Alex is overly concerned

. The wheel bearings turn freely. The drag from seals and grease is tiny. Try it yourself. Whether axle or rod, the wheel bearings turn and turn freely. I have done it both ways, and when I use a rod, I give the wheel a light spin. Then I go have a cup of coffe, cause the wheel spins for a longggggggggggggg time on a light spin on the rod on the wheel bearings. If I were riding on the banking at Daytona I would pay someone to balance. However, I have never had any noticeable imbalance at speeds up to 140+


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