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Squeaky Wheel

the_jackalcpthe_jackalcp Posts: 270
edited February 2014 in Workshop
So I have a really annoying squeak coming from my winter bike. I'm generally pretty handy at fixing my bike however wheels and hubs represent a gap in my knowledge. I have pretty much narrowed it down to the rear hub. The noise is only heard when pedaling and disappears when I freewheel.

Assuming that I'm right what part of the hub do I need to be looking at? Is there a certain bearing that only takes load when pedaling or could it be any of the bearings or might it not bearings and could be something else in the hub?

Posts

  • Could be the rear derailleur. Sounds like you need to clean and re-grease.
  • It's pretty unlikely as the bike has just had a full strip down and degrease so everything is spotless.

    While I realise it could be a whole host of other things, nearly all of which I've looked at, I'm really looking for some thoughts about any specific hub related issues that might only be applicable when pedaling.
  • majormantramajormantra Posts: 2,094
    Jockey wheels can also squeak like crazy, and will also only do it when pedalling. Try putting a drop of lube on their bushings/bearings.
  • majormantramajormantra Posts: 2,094
    The freehub bearings would only really be under load when pedalling btw, but they'd have to be really shot to be making that kind of noise.
  • deswellerdesweller Posts: 5,271
    Wheels use rolling element bearings. They rarely squeak, even when they're knackered. Have you stripped the grease out of your jockey wheel bearings? You say you've degreased everything - has some degreaser remained in the chain and thinned out the oil?
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  • If it has a rubber seal cover on the NDS of hub then it could be that - put a bit of silicon lube on it and it will stop
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