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Squeal from chain set/bb

welsh_14welsh_14 Posts: 259
edited March 2012 in MTB workshop & tech
Hey everyone, been out on 2 rides last couple of days and have noticed when pedaling that there is a screech/squeal coming from the chain set or bottom bracket! Anyone any ideas what this could be? It only happens when I'm pedaling.
If its a knackered bottom bracket anyone suggest a replacement? It's a shimano deore chain set that's currently fitted.

Posts

  • nicklousenicklouse Posts: 50,675 Lives Here
    Something worn out.

    Poor set up?

    Pedals?
    Anything work though it part by part.

    Parktools is a good place to start.
    "Do not follow where the path may lead, Go instead where there is no path, and Leave a Trail."
    Parktools :?:SheldonBrown
  • welsh_14welsh_14 Posts: 259
    Cheers for the advise. I'll do as you suggest and work through each part and see if I can narrow it down!
  • jodejode Posts: 5
    I just pulled off a set of old Wellgo flats that were making an unholy racket whenever they were under pressure.
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