Freaking Out! I Can Move My Brake Rotor!

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greasyxb9s

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Oct 22, 2012
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OK so I washed and detailed my buell today and went for a ride afterwards. Now I have a hored clicking or more of a banging in the front brake rotor. I can physically grab the rotor and wiggle it about a 1/16" and it makes the same exact noise. Its not side to side like left side to right side while sitting on the bike its front to rear or up and down. Brakes work great no pulse in lever or weakened stopping power it just clicks.....

Will a hardware kit take care of this? Or am I gonna have to spend $350 on a new rotor?

Can some one give me the hardware kit part number so I can order it?

Also why is it doing it after the wash? I don't get it!

Thanks Dan
 
It's a floating rotor, its not physically bolted down for a reason. It's fine, just make sure that all the bolts are tight and that something isn't caught in the rotor bolts
 
Yeah I understand it floats but not as much as this does and it isn't supposed to float front to back it should be able to float side to side with caliper.

It really bangs. Just pushing it in the driveway it knocks around.....
Thanks red I'm gonna order that kit right now.
 
Yes but I have seen people have issues with a old rotor and the new hardware kit. They (EBR) say its fine to run with a old rotor. I put the rotor and hardware kit on at the same time due to the problems I was seeing with other people's. I was extremely pleased with the brake performance and feel of this rotor and mounting hardware.
 
What you are describing(1/16") is normal.

I am using the updated kit on my stock rotor without issue. It is still floating.
 
Oh by the way this is the exact sound it makes when stopping except louder depending on how fast and how hard I stop
 
Might be slightly excessive, but it is normal. We get posts about this every so often. What happens is you ride your bike forward all day so the rotor is pushed fully in one direction. Then you get home and back it in to the garage or something like that and hit the brake and hear "thud" or "click" and then freak out and make a post. But I assure you it's normal. My bike went over 10,000 miles making that noise then I upgraded to the new hardware kit(for cosmetic reasons...my hardware was rusty).
 
I can't believe this is normal ..... that is a little disconcerting to be honest. I sure don't want to ride my bike around banging the front rotor the way it was.... that's a bit scary.
 
The slots on the rotor where the hardware goes is pretty much 1/2" wide. If it's much over that, the rotor is worn out. You'll see metal getting pushed and deformed some if it's worn any. The new slotted rotor and hardware was about $220 when I bought mine, pads were another $180.
 
Why does it bother you? You didn't even notice it until now... If you get the upgraded kit it will pretty much not do that anymore. Theoretically with the new kit it will perform better(better cooling) but on the street you won't notice any difference.
 
sounds like a busted spring or spacer.movement in towards the rim and out away from the rim is normal foward and back is not.at least its not on my bike.
 
IT NEVER BOTHERED ME BEFORE CAUSE IT DIDNT DO IT TILL THIS SATURDAY! That's what I've been trying to say but you guys aren't reading my posts or understanding. Anrkizm gets it! I can see
Movement side to side that is the floating...
Used a setup similar to this on my racing kart.... but up and down is not normal. As the wheel is spinning it is resetting the way it sits on the wheel for some reason.

I took the rotor off. All springs are intact and he square locator seem OK except for a tiny bit of wear on the one side. Rotor seems OK I will measure it tomorrow with calipers.
 
I'm just speaking from the experience I've had with my bike. I bought it used with 6,900 miles and it was 100% stock and original(except tires). My rotor did this when I got it. I rode it for 2 years like that without issue then upgraded the hardware due to cosmetic issues.

Personally, I don't see an issue with very minor movement like that. Theoretically the rotor should be very snug in there and shouldn't move at all, but if it were that snug you'd never be able to assemble the shims in to the rotor. There is going to be a tolerance there, and some wear of course. To me, 1/16" isn't a concern. But it's all about how you feel about it. The new hardware kit is ~$60 from ebr.
 

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