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Rear cog set
#1
When I have my bike on the stand and I pedal the wheel up to speed and let it coast, [stop pedaling] the rear cog set wobbles. My question is it the hub or cog set that is bent. The bike is a BRS cruiser 5speed. Having trouble setting the rear derailleur.

Thanks Dan
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#2
My guess is that if it's a <a href="http://bikeride.com/replace-freewheel/">freewheel</a>, it's likely the hub axle that is bent. You could try <a href="http://bikeride.com/overhaul-wheel-bearings/">overhauling the rear wheel</a> and then remove all of the cones and nuts from the axle. Roll the axle on a flat surface and you should see it wobble. If it rolls smoothly then you'll know it is not bent.

Here's a video that may help with your rear derailleur adjustment: http://bikeride.com/adjust-rear-derailleur/
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#3
Thanks for the reply Alex, I checked the axle and it is ok. Could the part of the hub that the free wheel threads on to be bent. May be a bad case of chain suck or some thing. My LBS has a rim an hub assembly for about 30.00 so I may go that route. Thanks Dan
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#4
My guess is that it is the freewheel itself that is wobbling, not the wheel. I'd try that first. Install hand-tight and test the new one on the stand so you can return it if it isn't the issue.
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#5
I took the wheel in to my LBS and they confirmed a bent hub. They said it looked like a bad case of chain suck. Got a new wheel on order. Thanks for all the reply's. Thanks again Dan
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