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my freewheel

Old 08-03-09, 03:27 PM
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my freewheel

now that i bought my 2 notches tool and took out the freewheel, i installed it back on after i took out the backing plate.

the freewheel screwed in FINE, smoothly. (This isn't my first time taking out the rear wheel and doing this)

So i put the wheel back on to the bike. what do u know? the freewheel swirls..

it doesn't have any plays but it looks like its SWIRLING. what's wrong with my wheel?


So i took out the wheel again and just rotated it with my hands holding onto the tips of the thread.(axle)
The freewheel swirls...
So i trued the spokes. the wheel doesn't spin perfectly straight but my freewheel swirls more than my wheel touching the brake cause of truing.
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Old 08-03-09, 04:11 PM
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Try examining the cogs on the the freewheel/cassette. Do you notice how some are beveled on one side? And others lean the other way? Notice by looking straight on the sides - some are shaped differently. This is called 'ramping' and it's built-in to help the chain shift smoother ad faster from one cog to the next.

This is perfectly normal. What you are observing "swirling" is an optical-illusion.
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Old 08-03-09, 04:53 PM
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Originally Posted by Panthers007
Try examining the cogs on the the freewheel/cassette. Do you notice how some are beveled on one side? And others lean the other way? Notice by looking straight on the sides - some are shaped differently. This is called 'ramping' and it's built-in to help the chain shift smoother ad faster from one cog to the next.

This is perfectly normal. What you are observing "swirling" is an optical-illusion.
everything looks flat and fine. but ONCE i start to spin it, it swirls like a wave going around the freewheel.

this wasn't this severe before i took it out
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Old 08-03-09, 11:03 PM
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I am not sure what you mean by "swirl". Maybe you mean "wobble". The consensus on this forum seems to be that this wobble is normal. For example, see
https://www.bikeforums.net/showthread...ghlight=wobble
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Old 08-04-09, 06:53 AM
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Normal wobble and optical illusion. Judge a freewheel by sound and feel, not how it looks.
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Old 08-04-09, 07:04 AM
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Check your rear axle to see if it is bent. Freewheels are notorious for bending axles.
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Old 08-04-09, 10:14 AM
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I think the freewheels that used two notches to remove them were made by SunTour, were they not?
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Old 08-04-09, 10:21 AM
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Always hold the remover-tool onto the freewheel with the QR. With all of them - but especially the 2-notch Suntour. They can break - both tool and freewheel.
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Old 08-04-09, 11:44 AM
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Originally Posted by DieselDan
Normal wobble and optical illusion. Judge a freewheel by sound and feel, not how it looks.
i believe it wobbles, and definitely, optical illusion. it feels and sounds ok when i shift.
BUT it didn't wobbles this much before i took out the rear wheel.

It is very noticable that it wobbles.
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Old 08-04-09, 11:45 AM
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Originally Posted by DIYGUY
I think the freewheels that used two notches to remove them were made by SunTour, were they not?
My freewheel has 2 notch so it is very old... around 80's.

also it is from sun tour.

Axle couldn't b bent cause i checked.. perfectly straight
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