Stupid Q - Does Wheel Trueness Affect Disc Brake Rotor True?

badgerjockey
badgerjockey Posts: 36
edited September 2011 in Workshop
OK, this should be v simple for someone.

I have a maddenly annoying skimming rotor on my disc brakes, skimming against the pads.

I notice that it is in time with the very small 'wobble' of my rims, a slight buckle...

But surely the trueness of the rim shouldn't affect the rotor? I mean, the rotor is bolted onto the robust hub flange, or even a separate flange on the hub, which should be true, independent of the rim...

Or am I being stupid?

Don't want to go bending the rotor out of shape when I can just true the wheel....

Cheers,

Comments

  • Wirral_paul
    Wirral_paul Posts: 2,476
    totally independent as you suggest yourself. I assume you've tried refitting the wheel and also centering the caliper??
    Probably worth popping the brake disk off and checking it for trueness - this is where your finest glass coffee table is handy!! Try refitting it after rotating it on the hub also.

    Good luck sorting it
  • nferrar
    nferrar Posts: 2,511
    Is it just rubbing on part of the rotation? If so easy enough to bend them with pliers/adjustable spanner etc, just do it a bit at a time. If rubbing all/most of the way around then either recentre the callipers or if at the limit already then user washers

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