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Brake Pads GG or HH ??

This is a discussion on Brake Pads GG or HH ?? within the ZX-12R forums, part of the Kawasaki Motorcycles category; I noticed my front pads were getting pretty thin about a week or so ago, so I stopped by the bike shop on the way ...


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Old 06-25-2009, 09:15 AM   #1
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Brake Pads GG or HH ??

I noticed my front pads were getting pretty thin about a week or so ago, so I stopped by the bike shop on the way home from work and picked up a set of EBC Sintered Metal pads with the "HH" rating and installed them that evening. Much more stopping power now, I am very pleased with them.
So much more stopping power that I got curious and dug the old pads out to take look at them, and they have the "GG" rating scribed on the back of them. BTW these pads were put on last year by the bike shop when I was having new tires put on.

Now I'm curious, what did the 12 come from the factory with GG or HH ??
   
 
Old 06-25-2009, 11:01 AM   #2
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Good question. I always thought they were just semi-metallic. Now that I'm doing track days I've been looking at GG instead of the semi-metallic aftermarkets I have. In that I have Galfer wave rotors and wish to keep that investment a little longer, I'm looking at GG.

Here's what 58cycle.com has to say about their grades. There's more detail on their site for each one to explain further.

# Black Semi-Metallic - High Performance
# Green GG Organic Kevlar - Super High Performance
# Gold HH Sintered - Ultra High Performance

But anyway, I've been wondering the same thing you're asking.
   
 
Old 06-25-2009, 11:48 AM   #3
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Yes, the GG set that I took off sort of looks like an old asbestos pad with a few metal particles in it, but I know that they haven't used asbestos for several years, so I assume that it is some other material such as kevlar or ???.

The HH pads look like they are mostly a brass or copper like material. So, I'm a little concerned with the possibility of accelerated rotor wear with them.
   
 
Old 06-25-2009, 12:07 PM   #4
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Quote:
I noticed my front pads were getting pretty thin about a week or so ago, so I stopped by the bike shop on the way home from work and picked up a set of EBC Sintered Metal pads with the "HH" rating and installed them that evening. Much more stopping power now, I am very pleased with them.
So much more stopping power that I got curious and dug the old pads out to take look at them, and they have the "GG" rating scribed on the back of them. BTW these pads were put on last year by the bike shop when I was having new tires put on.

Now I'm curious, what did the 12 come from the factory with GG or HH ??
I found that the HH pads lost there stopping power when they had clocked up a few miles but if you think they are good you should try ferodo ST's .. IMO they are far better than EBC HH... the hotter the ferodo's get the more powerfull they get... Braking seems to be no effort at all...
   
 
Old 06-25-2009, 08:36 PM   #5
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Stock pads are HH rated and a sintered metal. While all HH pads are rated the same every brand will feel different. The EBCs have a lot of initial bite while others are more progressive and some don't work till they get a bit of heat in them. All you can do it try different pads until you find something that fits you rriding style.
   
 
Old 06-25-2009, 08:44 PM   #6
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I put in EBC HH pads at the end of last season. My front brakes have buzzed ever since. They work good but the noise is annoying. The rear doesn't make any noise.
   
 
Old 06-26-2009, 03:32 AM   #7
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Even better than the ST are the XR(XRAC) and/or the CP211 from Ferodo....NOISHHHH.
   
 
Old 06-26-2009, 06:30 AM   #8
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i ran HH on the turbo. they were great on the street in all kinds of riding and never had any issues. nice feel and stopping.

then i took it to the track...hitting about 185 down the straight and braking for the hairpin at the end caused for some pucker moments when they faded after the 4th lap or so. was not a happy feeling to have the lever hit the bar.

i run vesrah SRJL on the track bike, but those are somewhat squeeky on the street...a couple friends run the RJL on their street/track bikes and are happy with them.

my $.02
   
 
Old 06-26-2009, 07:14 AM   #9
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[QUOTE=chuck1;469652]Stock pads are HH rated and a sintered metal. /QUOTE]

Cool, thanks for the info. If it came with sintered metal pads from the factory, that's what I'll use from now on.

I really do like the bite that these pads have, and I am all about some good braking power since some of the crazy cage drivers that I share the road with around here everyday can't see me coming!! I must have a stealth bike or something
   
 
Old 07-01-2009, 12:55 PM   #10
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Quote:
I put in EBC HH pads at the end of last season. My front brakes have buzzed ever since. They work good but the noise is annoying. The rear doesn't make any noise.
The same with me, I changed at the beginnig of the saison and they are much noisier than before, but the braking is excellent.
   
 
Old 07-01-2009, 02:09 PM   #11
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a little off topic but...

with bikes, how do you know when the rotors are bad? I mean, if they're not warped, do you just measure the thickness and if they're within spec, just slap new pads on?
   
 
Old 07-02-2009, 05:14 AM   #12
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I looked it up in the manual and it addresses both warped and worn rotors. The minimum thickness listed is 4.5mm (0.18") for the front and 5mm (0.20") for the rear.
   
 
Old 07-22-2009, 08:05 AM   #13
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Quote:
The same with me, I changed at the beginnig of the saison and they are much noisier than before, but the braking is excellent.
Yep just changed mine and the noise is far more noticeable but then so is the braking power
   
 
Old 07-22-2009, 10:24 AM   #14
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Same here. New EBC HH pads all around and the front's make alot more noise but work much better
   
 
Old 07-22-2009, 12:59 PM   #15
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Also the GGs are not good in the wet.
   
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