Rossgo's Rear Brake
- Rossgo
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Rossgo's Rear Brake
@Kwacky please post all in here!!
@StMarks - unsure what you mean by slider for the caliper? Do you mean the metal clip or back plate (cant think of what the name of it is!!) But it holds the pads in? That was a bloody nightmare for the rear kept falling out!
@Blade - you maybe right with the tech - to be honest thinking about it i hated doing the rear brake, it was a ball ache, should be as tricky as that in my opinion, i seemed to had to put the caliper on then the pads in but it all kept falling apart when i was doing it! Never seemed to have issues before! Apprieate the fact its tough over the net to get a clear picture of what im trying to say lol!!
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@StMarks - unsure what you mean by slider for the caliper? Do you mean the metal clip or back plate (cant think of what the name of it is!!) But it holds the pads in? That was a bloody nightmare for the rear kept falling out!
@Blade - you maybe right with the tech - to be honest thinking about it i hated doing the rear brake, it was a ball ache, should be as tricky as that in my opinion, i seemed to had to put the caliper on then the pads in but it all kept falling apart when i was doing it! Never seemed to have issues before! Apprieate the fact its tough over the net to get a clear picture of what im trying to say lol!!
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- StMarks
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Re: Rossgo's Rear Brake
&
Nonetheless most modern caliper "float" along some sort of rail, to keep the pads centralised over the disc. Without this slider moving freely the brake tries to pull the disc out of true to stop (instead of clamping it).
Hope you can follow my garbled explanation.?
Ooops, I forgot you don't have a 675 currently mate.Rossgo wrote:....@StMarks - unsure what you mean by slider for the caliper? Do you mean the metal clip or back plate (cant think of what the name of it is!!) But it holds the pads in? That was a bloody nightmare for the rear kept falling out!..
![Headbang (headbang)](./images/smilies/emoticon-0179-headbang.gif)
Nonetheless most modern caliper "float" along some sort of rail, to keep the pads centralised over the disc. Without this slider moving freely the brake tries to pull the disc out of true to stop (instead of clamping it).
Hope you can follow my garbled explanation.?
- Cav
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Re: Rossgo's Rear Brake
Unsure what the issue is that you're having Rossgo....
The majority of motorcycles come with a single piston rear brake caliper. Unlike a pushbike single piston caliper which has one fixed pad and one moving pad (attached to the piston), motorcycle single piston calipers "float". It is far from perfect but it means that both pistons move inwards to bite onto the disc.
The majority of motorcycles come with a single piston rear brake caliper. Unlike a pushbike single piston caliper which has one fixed pad and one moving pad (attached to the piston), motorcycle single piston calipers "float". It is far from perfect but it means that both pistons move inwards to bite onto the disc.
- Rossgo
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Re: Rossgo's Rear Brake
Ahh right the pin that holds them together. I see. Think i copper slipped that pin or certainly would of done the threads. Thanks for the explanation.StMarks wrote:&Ooops, I forgot you don't have a 675 currently mate.Rossgo wrote:....@StMarks - unsure what you mean by slider for the caliper? Do you mean the metal clip or back plate (cant think of what the name of it is!!) But it holds the pads in? That was a bloody nightmare for the rear kept falling out!..![]()
Nonetheless most modern caliper "float" along some sort of rail, to keep the pads centralised over the disc. Without this slider moving freely the brake tries to pull the disc out of true to stop (instead of clamping it).
Hope you can follow my garbled explanation.?
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- Rossgo
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Re: Rossgo's Rear Brake
Cheers CavCav wrote:Unsure what the issue is that you're having Rossgo....
The majority of motorcycles come with a single piston rear brake caliper. Unlike a pushbike single piston caliper which has one fixed pad and one moving pad (attached to the piston), motorcycle single piston calipers "float". It is far from perfect but it means that both pistons move inwards to bite onto the disc.
The problem i have is ive recently cleaned the calipers up and put them all together. The fronts were fine and now are clean and strong
The read on the other hand started to leak out of the bleed nipple. And also when ran the caliper and disc is hot to the touch. I can see that there must be friction being generated however i know the piston is free moving as i test all pistons out to clean them and expect them.
So why is it hot and why is it leaking!! Could the bleed nipple thread be dirty, ruined or worse the caliper thread is screwed?!! As for the heat, why is it gripping when it isnt being used!
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- Cav
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Re: Rossgo's Rear Brake
Is there too much fluid?
Is there an air lock?
Is the pin sticking?
All of these could cause the piston to be engaging when it shouldn't be
Is there an air lock?
Is the pin sticking?
All of these could cause the piston to be engaging when it shouldn't be
- Rossgo
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Re: Rossgo's Rear Brake
Ill take a good look when i am off whoch isn't for another 4 days yet. Then i can see whats going on.Cav wrote:Is there too much fluid?
Is there an air lock?
Is the pin sticking?
All of these could cause the piston to be engaging when it shouldn't be
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- duke63
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- Rossgo
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Re: Rossgo's Rear Brake
No mate. Didnt want to strip it down that far, only wanted to give them a clean!!duke63 wrote:Did you take the pistons completely out of the caliper?
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- Rossgo
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Re: Rossgo's Rear Brake
So today i took another look at this after work.
I have been checking the rear caliper after rides to work to see how hot it gets. It does get hot compared to fronts
The caliper is free moving when force is applied
The brake fluid seems at an acceptable level
Piston defo moves freely
Pads defo in correct position
Wheel spins freely (probably better than before)
Havent seen the leak at the bleed nipple recently
Wondering whether this is all to do with the heat we are experiencing and also a new slip on and its just soaking it all up
On another note, i hate to say this but i dont like the Brembo pads that are fitted, they seem to soft for my liking eg strong but i like stronger initial bite. Still got plenty of meat left on them prob half left i would guess. But i realised yesterday as someone slammed one their breaks in front of me to let a pedestrian cross the road![Faceplam (facepalm)](./images/smilies/facepalm.jpeg)
@Blade i remeber you saying something about pads, ones you personally like. Which ones were they? I generally lile the EBC think HH pad (dont quote me though) they were fantastic, lots of initial bite and very strong! Can easily do late braking with those!
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I have been checking the rear caliper after rides to work to see how hot it gets. It does get hot compared to fronts
The caliper is free moving when force is applied
The brake fluid seems at an acceptable level
Piston defo moves freely
Pads defo in correct position
Wheel spins freely (probably better than before)
Havent seen the leak at the bleed nipple recently
Wondering whether this is all to do with the heat we are experiencing and also a new slip on and its just soaking it all up
On another note, i hate to say this but i dont like the Brembo pads that are fitted, they seem to soft for my liking eg strong but i like stronger initial bite. Still got plenty of meat left on them prob half left i would guess. But i realised yesterday as someone slammed one their breaks in front of me to let a pedestrian cross the road
![Faceplam (facepalm)](./images/smilies/facepalm.jpeg)
@Blade i remeber you saying something about pads, ones you personally like. Which ones were they? I generally lile the EBC think HH pad (dont quote me though) they were fantastic, lots of initial bite and very strong! Can easily do late braking with those!
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- Kwacky
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Re: Rossgo's Rear Brake
Another one here for the Bendix, most consistent pad I’ve ever used. Doesn’t seem to matter if they’re hot or cold.
Having said that the rear brakes on the zx6r are utter shite, they’re so bad I’ve stopped using them
Having said that the rear brakes on the zx6r are utter shite, they’re so bad I’ve stopped using them
Monty™© MCMLXXII
- Rossgo
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Re: Rossgo's Rear Brake
Bendix. Good intial bite i guess and doesnt fade. Maybe an idea then
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- Kwacky
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- Rossgo
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Re: Rossgo's Rear Brake
Think ill change them in August. Ill take a look into a bit more ans make a decision. Im surprised at the softness of the Brembo to be honest
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Re: Rossgo's Rear Brake
I have been using SBS RS pads for a few years. There good but just fitted a pair on my current bike and can't say they are an improvement over the Brembo Sintered OEM pads tbh. The SBS RS were an improvement over the OEM pad on the Blade and Zx10r I previously owned so maybe the OEM spec pad in the Duke is better.
I will be trying the Bendix MRR people are recommending next time I replace the pads as good reviews and a reasonable price..
I have used Brembo SC which are fantastic but a little more expensive.
I will be trying the Bendix MRR people are recommending next time I replace the pads as good reviews and a reasonable price..
I have used Brembo SC which are fantastic but a little more expensive.
- Rossgo
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Re: Rossgo's Rear Brake
So much choice on this matter. I have always used OEM or EBC pads, and to be tge EBC were the best i tried, including 2 types of Brembo's ive had. Part of me want to use the whole of the current pad other half of me want to select a new one to try.
Ill have to wait a could months i think
But thanks everyone for their suggestions
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Ill have to wait a could months i think
But thanks everyone for their suggestions
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- Rossgo
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Re: Rossgo's Rear Brake
Rear break time
Went out yesterday for a hoon, maybe 160 miles, no leaking from nipple but defo getting hot. I have come to the conclusion that, breaks being used, very hot weather and a boiling hot exhaust are keeping ghe rear break caliper and disc steamy hot. There seems to be no other explanation as when on paddock stands the wheel spins very freely!
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Went out yesterday for a hoon, maybe 160 miles, no leaking from nipple but defo getting hot. I have come to the conclusion that, breaks being used, very hot weather and a boiling hot exhaust are keeping ghe rear break caliper and disc steamy hot. There seems to be no other explanation as when on paddock stands the wheel spins very freely!
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- Kwacky
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- Rossgo
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Re: Rossgo's Rear Brake
Yes i do use it. I tend to use it when coming to a standstill so im not heavy on my wrists for those couple seconds before lights or whatever.
No i thought that as well but im nowhere near the brake while riding.
Its a head scratcher!
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No i thought that as well but im nowhere near the brake while riding.
Its a head scratcher!
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