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  • disc setup

     golfcurry updated 11 years, 5 months ago 5 Members · 7 Posts
  • golfcurry

    Member
    13 January 2009 at 11:25 pm

    I have just replaced one of my discs, can you tell me is there a specific way of tightening the bolts as the disc now looks warped when i spin the wheel and its catching the pads, its an avid ultimate and i’ve re-set the brake ??

  • Abzz

    Member
    13 January 2009 at 11:35 pm

    Assuming its a 6 bolt and the new disc is straight to start with, make sure the mounting surfaces are clean and have no corrosion or dirt on them.

    fit the screws and tighten lightly then tighten one screw and then the one opposite it and continue around the disc.

  • MartinK

    Member
    14 January 2009 at 8:00 am

    Abzz is right, however, it’s not entirely unusual to have a warped disk. Once I was away riding with a mate, and he loaded both our bikes into the back of his vehicle…when I put my bike back together (the front wheel was out), I had a warped disk (must have got bashed somehow).

    I slipped a large adjustable over the disk, and gave it a tweak, straightened perfectly first time, and no bother since!

    Chainreaction are doing “flood sale” shimano 6″ disks for £6 if you are worried about it. I just bought one for a spare wheel.

  • Gunner

    Member
    14 January 2009 at 3:24 pm

    Yes, I’d imaging it would be as Abzz says.

    It’s the same principle as replacing your car wheel.

    Fit and then very loosely tighten bolts/nuts. Then work round the wheel (disk in this case) gradually tightening opposing bolts/nuts.

    This then pulls the disk onto the mounting surface so it is flush all the way round and not askew.

  • tomlevell

    Member
    14 January 2009 at 4:51 pm

    It’s very hard to fit the discs incorrectly. Make sure there is no debris behind the disc up against the hub first.

    It’s more likely the disc will be warped slightly which is fairly normal.

    Fix as suggested above.

    Most discs will end up with a slight rub on the pads which is very hard to get rid of but doesn’t have any real affect on the free spinning of the wheel. If it slows it down when you lift it off the ground and spin it it needs looking at.

  • golfcurry

    Member
    15 January 2009 at 12:25 am

    cheers guys, i will give it a look at on thur, just trying to reassure myself i suppose – its probably the disc thats warped. Its had a lot of stick recently on some great rides.

    will let you know how i get on.

    thanks chris

  • golfcurry

    Member
    16 January 2009 at 5:29 am

    Hi guys figured out what was wrong when i took the wheel off, there was a bit of slack in the bearing nuts, just needed tightened slightly, job done. Took the rotor off anyway and cleaned it up put it back on and its running freely, thanks a lot for your advice.

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