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Old 2018-06-26, 11:38 AM   #1
ruari
 
 
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Noise from spokes(?)

A few weeks back I bought my first 36” wheeled unicycle, a UDC Trainer/Titan from UDC Sweden. I have been using it to commute to and from work a few times each week (just under 30 minutes each way). I have also been going out in the evenings to cycle around the neighbourhood and practice my control on a few of the steeper hills around. No off-read stuff, primarily smooth tarmac (ok, there is the odd pothole). I am guessing I have averaged between thirty minutes to an hour of cycling every day since I received it. So a fair bit of usage but not massive mileage, in the grand scheme of things.

Anyway, late yesterday evening I came back pretty late from meeting up with a friend and as it was quiet out and I was on an empty cycle path I noticed a sound on every rotation. Hard to describe exactly but somewhere between a click and a rub. It is not constant but I haven't quite found the pattern for when it appears. It might be due to changes in road camber or when I am going downhill slightly and holding back the speed of the wheel with my legs.

My suspician is that it is coming from the spokes (given there isn't many sources of noise on such a simple device, outside of a little tire roar). Is this something I should worry about? Do I need to fix something or adjust something to prevent breakage? Any thoughts or suggestions would be gladly received.

P.S. If it is spoke related, I have zero exprience changing or adjusting them but I also have no problem going to a bike shop and paying for them to make some adjustment. Though I do wonder if it was a problematic spoke (or spokes) if I would need to buy replacements first before I took it to a bike shop, given their unusually long length.

Last edited by ruari; 2018-06-26 at 11:39 AM. Reason: spelling
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Old 2018-06-26, 12:38 PM   #2
harper
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Creaking sounds that appear to originate from the wheel when pedaling are usually from the crank/hub interface. This is especially true of tapered axles. Sometimes tightening can fix the problem but it may be necessary to remove the cranks, clean the contact surfaces, regrease them, and then reattach them.
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Old 2018-06-26, 12:45 PM   #3
mowcius
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Clicking noises can be from the spokes but it's less common than noise from the hub being loose (in the case of aluminium shell hubs over steel axles), the cranks being loose on the axle, or the pedals being loose on the crank.

If it is actually from the spokes, in my experience there's little you can do aside from replacing them all and making sure they're all done up tight enough the second time. Once they've gained indents at the joins (clicking in and out of these is what makes the noise), you can't very easily reverse that.
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Old 2018-06-26, 12:46 PM   #4
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@harper: I wouldn't really call it a “creak”. Hard for me to discribe. Maybe I should try and record the sound.

Nonetheless, based on this and the feedback from @mowcius I'll have a look around the hub, axle and cranks…

Last edited by ruari; 2018-06-26 at 12:48 PM.
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Old 2018-06-26, 12:52 PM   #5
mrfixit
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You described what my 26" does. Except I think my noise is in the pedals. I'm going to switch my pedals and report back.
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Old 2018-06-26, 01:09 PM   #6
mowcius
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I've previously had a very slightly bent pedal axle which was causing a far louder click than it had any right to cause, so trying different pedals is a good first step!
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Old 2018-06-26, 01:54 PM   #7
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Perhaps some form of strumming (like on a gitar) is the best way of decribing what I am hearing
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