annoying "rubbing" sound

Discussion in 'Bicycle Mechanics and Repairs' started by RyanW, 14 Aug 2012.

  1. RyanW

    RyanW The abominable Bikeman

    Ashford, Kent
    Hi all,

    looking for some advice / ideas.

    I have recently put together a bike from various parts purchased here / ebay. all together nicely and been on a few rides.
    When i first took it out i notice a slight metalic rubbing noise, as if the chain was rubbing against something, at first i thought it was the front D'r however after moving it around, adjusting etc and finally removing it the noise remains.

    Now, the only issue i had building the bike was that the bottom bracket was a right b'ch to get in, although it did eventually go in right. The axle does not seem crooked and there is about 1mm in movement on the cranks on a full rotation.

    Short of removing the bottom bracket and buying a new one what else can i look at / think of that may be causing this?
  2. Plenty of options to go through HERE :thumbsup:
  3. accountantpete

    accountantpete Legendary Member

    Slip the chain off the cranks and turn them without - see if you still get the noise.
  4. OP

    RyanW The abominable Bikeman

    Ashford, Kent
    Will do pete,

    I cannot generate the noise by hand pedaling, only when i am on it. If i go fast enough, it also goes. Very strange.
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