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Looks like some movement (and noise) may be normal for full floating rotors http://www.braketech.com/index.php?o...talk&Itemid=69
Although yours look looser than anything I could find on youtube. Also, the play is usually side to side not around the circumference.
The Harley floating rotors are really not floating and do not allow any movement. Just the rotor is separated from the center section to dissipate heat but is attached pretty solid. Not sure what brand you have on yours.
Never seen one that loose before. You may want to go to your local service center, show and ask them what they think. If they say it is a bad thing buy a new rotor and rotor screws (never reuse those) and install it yourself.
Thanks for the help. The bike has 18,000 miles so I'm not sure if the pins/bobbins are worn, or if it was normal. I'll have to buy some new ones and measure the difference in thickness.
That would drive me crazy too,I guess you hear when you are riding. That does look like a lot of movement.
The only time it makes noise is when I hit bumps. If I'm on the brakes when I hit the bump then it doesn't rattle, but if I'm not on the brakes it sounds like the front end is falling off.
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The Harley floating rotors are really not floating and do not allow any movement. Just the rotor is separated from the center section to dissipate heat but is attached pretty solid.
Heat dissipation? Never heard it explained that way before before. I have to disagree with you. The Harley floating rotors I have seen are just that, floating rotors. Just because they are called floating rotors does not mean you can move them. They are floating to allow for expansion due to heat to help keep them from warping.
Play in a brake rotor is not a good thing. Yours is junk. Do yourself a favor and replace it with a good quality rotor and new pads as soon as possible.
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