Brembo GP4RX & Supersport Calipers - Kawasaki Z1000 Forum: Kawasaki Z1000 Motorcycle Forums
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post #1 of 11 Old 02-07-2020, 11:32 AM Thread Starter
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Brembo GP4RX & Supersport Calipers

Hi all, have a few top of the line upgrades that are new and unused - ended up going a different direction with my build.

GP4-RX Calipers: https://www.ebay.com/itm/324050713810


Supersport Caliper: https://www.ebay.com/itm/324050716344


Rear Caliper Bracket: https://www.ebay.com/itm/324054817369


PM here if any of the above or any items in my eBay store interest you - I can give fellow forum members a better price.
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post #2 of 11 Old 02-18-2020, 04:22 PM
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That last pic is my rear caliper/hanger, in the interests of transparency why are you taking a pic of mine if you own your own that youve not used....
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post #3 of 11 Old 02-19-2020, 09:23 PM Thread Starter
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Originally Posted by comfysofa View Post
That last pic is my rear caliper/hanger, in the interests of transparency why are you taking a pic of mine if you own your own that youve not used....
Picture is taken from the site I purchased the hanger from. Not sure what you are on about. Lately a lot of members been quick to jump to conclusions around here. Link below.

https://japan.webike.net/products/21962838.html

PS. I will be using your write-up for the slipper clutch install, thank you for taking the time to do that.

Last edited by Z1000Rider93; 02-19-2020 at 09:28 PM.
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post #4 of 11 Old 02-19-2020, 11:31 PM
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Do you guys think a rear Brembo would really make a difference? My thought is that it will just lock up a little faster than stock -grin

I rarely use my rear brake anyway.

Just curious if anyone has used one -plus their comments about it.

_____
bone stock. sorta.
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post #5 of 11 Old Yesterday, 12:48 AM
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Originally Posted by Z1000Rider93 View Post
Picture is taken from the site I purchased the hanger from. Not sure what you are on about. Lately a lot of members been quick to jump to conclusions around here. Link below.

https://japan.webike.net/products/21962838.html

PS. I will be using your write-up for the slipper clutch install, thank you for taking the time to do that.
Yeah. That was my pic.i wrote a review and left it on there. I was concerned you were a scammer as if you had your own....hey you would have taken a pic of it with all the bits that come with it...

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post #6 of 11 Old Yesterday, 12:51 AM
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Originally Posted by Koggs View Post
Do you guys think a rear Brembo would really make a difference? My thought is that it will just lock up a little faster than stock -grin



I rarely use my rear brake anyway.



Just curious if anyone has used one -plus their comments about it.
Bloody hell yes! My rear was ****...you had to literally stand on it to get it to do anything...my brembo gives me. About 30% more braking power...but crucially....loads more feel...the OEM is one piston on one side the brembo is two..In the uk in the winter you (I) use the rear brake loads when the conditions are bad...

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Last edited by comfysofa; Yesterday at 03:48 AM.
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post #7 of 11 Old Yesterday, 01:10 AM Thread Starter
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Originally Posted by comfysofa View Post
Yeah. That was my pic.i wrote a review and left it on there. I was concerned you were a scammer as if you had your own....hey you would have taken a pic of it with all the bits that come with it...

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Not in the slightest. It is still sealed in the packaging not keen on opening it up - found a stock image on the site I purchased it and used it. Glad I cleared that up for you.
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post #8 of 11 Old Yesterday, 03:47 AM
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Not in the slightest. It is still sealed in the packaging not keen on opening it up - found a stock image on the site I purchased it and used it. Glad I cleared that up for you.
Well, its not me youve got to clear it up with....it just seemed a bit odd to take a pic of my hanger and its not really the hanger (you cant really see it) personally id have take a pic of the unit laid out with all the bits that it came with then people know, you own that part. The AF1 forum (aprillia) has been had the problem with posts of users claiming to sell stuff and ripping people off.
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post #9 of 11 Old Yesterday, 09:33 AM
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Quote:
Originally Posted by Koggs View Post
Do you guys think a rear Brembo would really make a difference? My thought is that it will just lock up a little faster than stock -grin

I rarely use my rear brake anyway.

Just curious if anyone has used one -plus their comments about it.

The difference is huge. The stock pieces are not very good, but even thats not the biggest issue. If you do some research, the size of the rear caliper piston vs the master cylinder size is not correct. It sounds impossible, but its true.


Obvously, the parts hes selling here are the best you can buy, but a person can still improve performance with a 125.00 dollar caliper.
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post #10 of 11 Old Yesterday, 04:12 PM Thread Starter
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Here's some pics of the hanger so that no one else gets their knickers in a twist.
Attached Images
File Type: jpg 20200220_150903_1582229439578.jpg (80.7 KB, 8 views)
File Type: jpg 20200220_150849_1582229492722.jpg (74.4 KB, 6 views)
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