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Old Dec 3rd 2018, 04:10 AM   #1
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Pramac CF front brake ducts?

Stumbled upon those things, those duct type things that fit on the front brakes that should channel air to the brakes?

Are those things for real and if so what would the efficiency be? I find no tangible info regarding their cooling capacity and efficiency and I tend to think those are more like bling stuff, just like the open/transparent clutch cover, instead of a real tangible performance improvement.

What's your take? Oh did I mention they cost quite a lot because Pramac and CF &#128514

https://www.carbon4us.com/en/carbono...3-finish-matte
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Old Dec 3rd 2018, 06:25 AM   #2
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i have no info on them, but my guess would be they are more in use with carbon-ceramic brake discs. Those things can get really hot.
So, also track-only, pretty useless on the road
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Old Dec 3rd 2018, 06:40 AM   #3
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I mostly don't like that instead of a fork stand, you'll have to start using a triple tree stand instead.

Also there's an ebay knockoff available for half the price.
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Old Dec 3rd 2018, 09:41 AM   #4
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If you are on the brakes to the degree that you need cooling ducts to reduce operating temps then you have a whole different scenario to deal with. Those ducts are completely worthless on anything other than something that is repeatedly hauled down from 200mph with very high disc temps. All show, no go.
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Old Dec 3rd 2018, 10:32 AM   #5
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What endo said!!!
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Old Dec 3rd 2018, 10:45 AM   #6
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Originally Posted by endodoc View Post
If you are on the brakes to the degree that you need cooling ducts to reduce operating temps then you have a whole different scenario to deal with. Those ducts are completely worthless on anything other than something that is repeatedly hauled down from 200mph with very high disc temps. All show, no go.
I'm guessing it's the same with so called brake radiators/heat sinks huh?

https://www.bellissimoto.com/parts/b...-Pad-Heat-Sink
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Old Dec 3rd 2018, 12:17 PM   #7
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Complete garbage especially for the street and again there are a bunch of really fast guys doing track days and racing that seem to do pretty well with what Brembo gave them out of the box. Again if you have brake fade due to thermal activity then you may want to start looking at your braking system as a whole and not some gimmick that personally, I have never seen anyone using.
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Old Dec 3rd 2018, 12:24 PM   #8
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Originally Posted by elements018 View Post
I mostly don't like that instead of a fork stand, you'll have to start using a triple tree stand instead.

Also there's an ebay knockoff available for half the price.
Pretty pointless addition, besides the fact it renders the front paddock stand useless unless you unbolt them every time.
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Old Dec 3rd 2018, 02:03 PM   #9
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Originally Posted by SixShock View Post
I'm guessing it's the same with so called brake radiators/heat sinks huh?

https://www.bellissimoto.com/parts/b...-Pad-Heat-Sink
also snake oil category...
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Old Dec 4th 2018, 05:45 AM   #10
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Originally Posted by endodoc View Post
If you are on the brakes to the degree that you need cooling ducts to reduce operating temps then you have a whole different scenario to deal with. Those ducts are completely worthless on anything other than something that is repeatedly hauled down from 200mph with very high disc temps. All show, no go.
I agree but that's my question! I didn't say I need ducts but just stumbled upon those things and was wondering if they DO indeed improve braking cooling or not, hence my placebo reference. And if they do make a considerable improvement, what would that be?

To me selling those ducts is like selling an aero kit or a rear wing without knowing the drag it crates, the downforce at different speeds and other technical stuff.
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