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Sturmey Archer SW hub question

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Sturmey Archer SW hub question

Old 12-28-16, 06:11 PM
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oldbicycles
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Sturmey Archer SW hub question

Hello All,
The SW hub on my '58 Raleigh Sports has always worked just fine. I took off the wheels to put on new tires, and decided to regrets all my axle bearings while I was at it. I noticed that when I turn the rear wheel, the hub makes a clicking noise. These are supposed to be silent hubs. I never noticed it while riding. It's very quiet. I only hear it while free wheeling. What could be causing this? I though maybe debris in the hub or bearings falling against each other. After regressing the noise is still there. Could it still be noise from ball cup bearings? I was trying to avoid taking apart the whole hub since it is working. But I don't want to cause more damage to my bike if there is some issue that needs to be addressed. Thanks in advance for any advice.
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Old 12-28-16, 06:36 PM
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oldbicycles
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Now I see Sheldon Brown makes this comment on his SW page:
"With the aid of some junk spares, careful assembly, and a bit of luck, you can get these things to work reasonably well, and (if you are willing to allow some ticking noise while coasting) even extremely well."

I would like to understand more about why it's okay for my bike to make this noise. Thanks!
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Old 12-28-16, 07:26 PM
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wschruba
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There is no practical way, save drowning the hub in grease/burying the mechanism, to keep pawls from ticking over teeth as they freewheel. Manufacturers can do one of the two above to make them quieter, but that's about it.

There's really nothing wrong with it, even when you get louder ticking/running. Just think of it as mechanical music (listen to an AW hub, or a Shimano Nexus 3).
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Old 12-29-16, 11:30 AM
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SirMike1983
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The SW hub normally makes a soft ticking sound. It is quieter than the AW, but still there. I swapped my SW equipped bike to an FW. I never could be totally free of the "cam out of gear" issue with my SW.
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