Brake discs - Harley Davidson Forums: Harley Davidson Motorcycle Forum
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post #1 of 4 (permalink) Old 07-30-2019, 05:10 PM Thread Starter
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Brake discs

Hi all,
The brake discs on my old girl ('86 FXR) are getting quite worn, and need replacing, (the rear one more so than the front) and was looking at some beautiful looking polished stainless steel discs.
Just wondering what the advantages/disadvantages are of stainless, over standard steel discs? I know there is the rust issue, especially for people whose bikes are parked outside, or are garaged close to the sea, but that's not what I need to know, because that isn't really an issue for me. What I need to know is, is there any difference in brake performance, do I need to use/avoid a specific type of pads, i.e. organic pads/sintered metal pads, and heat dissipation differences, etc? Any advice would be greatly appreciated. Thanks.
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post #2 of 4 (permalink) Old 07-30-2019, 07:06 PM
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I ran some Russell stainless disks on my old FXR, didn't notice any difference from the stock disks.
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post #3 of 4 (permalink) Old 07-31-2019, 04:15 PM
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I always thought all OEM discs were stainless...

Except the old Triumph and BSA discs that were cast iron.......
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post #4 of 4 (permalink) Old 07-31-2019, 04:23 PM
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Quote:
Originally Posted by Dan89flstc View Post
I always thought all OEM discs were stainless...

Except the old Triumph and BSA discs that were cast iron.......
You'd be able to tell in a couple days (here on the Gulf Coast) if they were carbon steel. That's all it takes to rust on the cars and trucks down here.

Sent from here to there.
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