Rotor Sizes

spongtastic
spongtastic Posts: 2,651
edited October 2009 in MTB workshop & tech
Couldn't be bothered to change a tyre last night on the FSR so swapped a wheel off the Fury instead.

Both the bikes and all four sets of wheels are running 185/160's so I can do this, or so I thought. The tektro disc is rubbing on the front & rear to the point it's binding. Is this normal? I would have thought that rotors would be made a standard width? or I am I hoping for too much :cry:
Visit Clacton during the School holidays - it's like a never ending freak show.

Who are you calling inbred?

Comments

  • supersonic
    supersonic Posts: 82,708
    The hub may not be the same though ;-)

    So the rotor may be in a different place. You can get shims though.
  • I'll have a look at that but they're rubbing on both pads, checked alignment and that's ok. I'm 'borrowing' a micrometer from work to see if there is any difference.
    Visit Clacton during the School holidays - it's like a never ending freak show.

    Who are you calling inbred?
  • jayson
    jayson Posts: 4,606
    If ur brakes have post mounts then simply undo the bolts holding them in place, squeeze the lever to center the caliper and tighten the bolts up again with the lever still pulled and ur away.

    If u have IS mounts then as sonic says u will have to buy some spacers, i found B&Q to be a good place with some very thing washers for a few pence.
  • Kiblams
    Kiblams Posts: 2,423
    jayson wrote:
    If u have IS mounts then as sonic says u will have to buy some spacers.

    But if you have Avid disk brakes you can do this on the IS mounts too.
  • supersonic
    supersonic Posts: 82,708
    I was referring to rotor shims.
  • Kiblams
    Kiblams Posts: 2,423
    sorry :oops:
  • nicklouse
    nicklouse Posts: 50,673
    I'll have a look at that but they're rubbing on both pads, checked alignment and that's ok. I'm 'borrowing' a micrometer from work to see if there is any difference.

    were one set of discs older than the other? rotors do wear.

    and a few thou. can make the difference between rubbing or not.
    "Do not follow where the path may lead, Go instead where there is no path, and Leave a Trail."
    Parktools :?:SheldonBrown
  • supersonic wrote:
    The hub may not be the same though ;-)

    So the rotor may be in a different place. You can get shims though.

    Sorry for hi-jacking the thread here...

    I've just had the same problem - gone from deore hubs to hope pro 3's, manitou black elite forks (with the post mounts) and juicy 3's and I can't get enough sideways movement to make it stop rubbing.
    So a shim to go between the disc and hub sounds perfect, where can I get one?

    end of hijack, sorry!!!
  • nicklouse
    nicklouse Posts: 50,673
    you should beable to get enough movement on the avids they have plenty of adjustment.

    syntace do the shims as do hope.
    "Do not follow where the path may lead, Go instead where there is no path, and Leave a Trail."
    Parktools :?:SheldonBrown