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EBC floating rotors

Old 10-13-2006, 01:35 PM
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EBC floating rotors

I have a gsxr front end on my bike and front wheel with EBC floating rotors..how much play should there be in the rotors..I can move them side to side and up and down when mounted on the bike and brakes?
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Old 10-13-2006, 01:53 PM
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to my knowledge you should never be able to move them like that. all sport bike rotors are floating now. the stock ones are too. it just allows for expansion when they heat up.
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Old 10-13-2006, 02:57 PM
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Originally Posted by EngineNoO9 View Post
to my knowledge you should never be able to move them like that. all sport bike rotors are floating now. the stock ones are too. it just allows for expansion when they heat up.
so the full supersport ones that require rebuilding are not different?


EBC SuperSport Race Rotors


• Lightest weight units available
• OD cooling groove further reduces weight/improves cooling
• Light weight alloy drive buttons
• Fully rebuildable with spare hardware

Larger diameter homes, extra sets of holes and the OD cooling groove, bring down the weights once again on this popular range of supersport/race rotors. These rotors are NOT FOR HIGHWAY USE. Due to the carefully controlled environment of road racing, EBC actually use a circlip retention system (with a difference) on Pro-lite front discs.


The EBC circlip is a specially manufactured unit, which offers a 340-degree contact surface, as opposed to the minimal contact used by cheaper “gearbox” circlips, used by EBC’s competitors.
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Old 10-13-2006, 03:40 PM
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Full-floating rotors will move a little bit. How much are they moving?
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Old 10-13-2006, 04:01 PM
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Originally Posted by marmaladeboy View Post
Full-floating rotors will move a little bit. How much are they moving?
I have them mounted and on the bike and in the calipers and I can move it side to side mmm a little but wiht no effort as well as up and down
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Old 10-13-2006, 04:19 PM
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Can you measure it? Is it a large amount, as in inches? One or two millimeters is fine.
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Old 10-13-2006, 04:22 PM
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Originally Posted by marmaladeboy View Post
Can you measure it? Is it a large amount, as in inches? One or two millimeters is fine.
I am pretty sure it is more than a millimeter or 2, i think i can feel the rotor shift a little when braking hard?
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Old 10-13-2006, 04:24 PM
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Again, they are full floating, so they are supposed to move a little to maintain contact with the brake pads.

Did you check to see if all the rotor buttons are torque'd to spec?
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Old 10-13-2006, 11:47 PM
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Call EBC and ask them. Those race only rotors need to rebuilt with new buttons every once in a while- why? Because they loosen up over time.
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Old 10-14-2006, 08:21 AM
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I've got the same 320mm rotors on my shawk.

http://www.flickr.com/photos/caffein...n/photostream/

Actually I've never heard of anyone else having them!

Powerfull stopping power huh?

Mine have quite a lot of play as well , think it's normal for these rotors.

after a while the spring washers seem to lose tension or wear.
the rotors start to make some noise, and later I had to replace the the rotors due to carrier wear (soft aluminum carriers)

~Jeffers

I remember now!

As the carriers wore and got more play, they started wearing even faster and hammering the soft carriers more.
so I started trying creative ideas to tighten them up.
But ended up replaceing the carriers in the end.

http://www.flickr.com/photo_zoom.gne...9303404&size=o

http://www.flickr.com/photos/caffeineracer/

Doubt you'll see this though, I think these rotors had like 60,000 miles on them before they got this bad.
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