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Rotor Selection - Opinions?

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Old Jan 30, 2011 | 04:47 PM
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Default Rotor Selection - Opinions?

Well, I'm going to add some new rotors while I'm at it when changing out the wheels and tires. I do have a dilemma though. I'm getting these wheels from PM (got a great 1/2 off price of $1200 for front and back):

http://www.motorcycle-superstore.com...ont-Wheel.aspx

I'm up in the air about the rotors, as I know that the floating HD rotors will be more efficient than stock single piece, but I can't find a floating set that I think goes with the wheels, and they are roughly $140 each. However, I do think that the stock single rotor does look good with the wheels, and I get can a set of 2 polished for $99. But again, they are not the floaters, which I like.

So I was looking at these basic HD ones for the floaters:

http://www.harley-davidson.com/gma/g...bmLocale=en_US

Or these HD single piece rotors, only polished:

http://cgi.ebay.com/ebaymotors/ws/eB...ht_6008wt_1167


Any opinions? I really didn't want to spend more than $300 for both rotors if I could swing it when going with the floating. If anyone has any others that they would recommend that would fit the bill, please let me know.
 
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Old Jan 30, 2011 | 04:58 PM
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Check out Zanotti's and Lake Shore HD. You probably can knock the prices down on the floaters.
 
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Old Jan 30, 2011 | 06:18 PM
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Polished rotors won't stay that way forever. Brakes work thru friction which will scuff up your rortors eventually. Do you want appearance or performance? H-D isn't the only choice for floating rotors, which should equate to at least quieter braking. Take a look at EBC, for instance. I paid about $300 for two last spring thru an indy parts dealer and have been really happy with the performance. They also look better (to me) than H-D rotors.
 
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Old Jan 30, 2011 | 06:27 PM
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OnCycles dot com ALTH brand rotors. Great parts and the price is very right. worth checking out.
 
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Old Jan 30, 2011 | 06:31 PM
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I personally think the second rotor would look better BUT thats a lot of chrome. It seems to me and my taste that you may want to break the chrome up a bit for best appearance. just my two cents. have fun with your build.
 
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Old Jan 30, 2011 | 08:06 PM
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Originally Posted by shiftace
OnCycles dot com ALTH brand rotors. Great parts and the price is very right. worth checking out.
I checked out the website, and it looks like they only have rears available for my bike. Must have sold out of the fronts unfortunately. Price is certainly right and from what I've read, they've gotten great reviews. Guess i missed it.
 
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Old Jan 31, 2011 | 12:31 AM
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cmvsm - I have two of the stock floating disc's I took off the front of my Fat Bob. I also have the rear like the one you are interested in. If they fit, PM me and maybe we can swing a deal...
 
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Old Jan 31, 2011 | 08:58 AM
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I ended up going with EBC Floating Rotors. They were on sale at Motorcycle Online Store, and ended up paying a little under $400 for both.

One interesting point though. I called Performance Machine, and although they don't make a practice of recommending any rotor other than what matches their wheels, it was mentioned that if I wanted a true floater, to be sure that I didn't buy some of the two pieces out there, that really don't move as a 2 piece should. They are just marketed as such. I think that the Harley rotors are included in this.

So the EBC's should be true floating rotors, as my bike is a bit older, it might help with the off tolerances that aren't experienced in the newer bikes.

Thanks for everyone's reply. Appreciate it.
 
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Old Feb 1, 2011 | 03:03 AM
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I think the debate about 'true' floating rotors or other floating types is just marketting hype and has no sound basis that should influence our choice. EBC for example use the same principle as Harley for attaching the braking part to the central part of the disc, with a subtle twist that their rivets and slots are square instead of circular.

Floating rotors are designed to minimise the transfer of brake heat into the wheel hub and bearings. Any slight difference between an EBC 'true' floater and a Harley floater are likely to be trivial. We ain't racing, but we do want high performance brakes.

I am very happy with my Harrison and Harley round rivet fully floating rotors!
 
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Old Feb 1, 2011 | 04:16 PM
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Originally Posted by grbrown
I think the debate about 'true' floating rotors or other floating types is just marketting hype and has no sound basis that should influence our choice. EBC for example use the same principle as Harley for attaching the braking part to the central part of the disc, with a subtle twist that their rivets and slots are square instead of circular.

Floating rotors are designed to minimise the transfer of brake heat into the wheel hub and bearings. Any slight difference between an EBC 'true' floater and a Harley floater are likely to be trivial. We ain't racing, but we do want high performance brakes.

I am very happy with my Harrison and Harley round rivet fully floating rotors!
Floating rotors are not made to minimize heat transfer. They are made to stay aligned between the pads in a caliper which means more of the disc surface is in contact with the pads. This equates to shorter braking distances and quieter operation with less heat build up being a result. Heavy braking on a heavy machine with heat build up leads to brake fade. Best way to avoid is use of composite rotors which don't transfer and hold heat like steel discs.

Additionally, don't confuse the semi-floating rotors H-D uses on some touring models with true floaters, which they also sell. They make a style with a slot cut in the rotor with the intention of allowing the rotor to bend. For a fact, the semi-floating rotors on my bike made noise since the day I took delivery. Tried reverse mounting, BTW. Since switching to EBC floating rotors, no more noise.
 
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