Author Topic: Brembo Brakes cb750  (Read 42143 times)

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Offline voxonda

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Re: Brembo Brakes cb750
« Reply #25 on: December 29, 2008, 12:40:16 PM »
These brackets are also on the market. To use with AP caliper and 750 leg.

Also, I believe, JPX in France made cast brackets for Brembo P08 and for Lockheed. Fairly rare to see them on Ebay, but sometimes...............
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Offline Terry in Australia

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Re: Brembo Brakes cb750
« Reply #26 on: December 29, 2008, 02:56:47 PM »
Hey they look good Rob, which 750 legs, K or F? Cheers, Terry. ;D
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Offline Retro Rocket

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Re: Brembo Brakes cb750
« Reply #27 on: December 29, 2008, 03:03:37 PM »
Thanks for the pics mate... ;D

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Offline Terry in Australia

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Re: Brembo Brakes cb750
« Reply #28 on: December 29, 2008, 03:04:09 PM »
More pics of the " jigger" please.. ;)

Mick
I'm beginning to worry about what a "jigger" might be....oh well, here she is with her clothes on...

Hey that looks magnificent mate, even better red than "Hot pink", methinks?

"Jigger" is just a generic Aussie term meaning a "gadget" or "doodad".

I just looked up the word on the internet, and some definitions were hilarious, including "A Jew who pretends he's black", ha ha! Cheers, Terry. ;D
I was feeling sorry for myself because I couldn't afford new bike boots, until I met a man with no legs.

So I said, "Hey mate, you haven't got any bike boots you don't need, do you?"

"Crazy is a very misunderstood term, it's a fine line that some of us can lean over and still keep our balance" (thanks RB550Four)

Offline PxTx

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Re: Brembo Brakes cb750
« Reply #29 on: December 29, 2008, 06:33:34 PM »
I've not been following all of the brake talk, who can?  I am curious to know if anyone makes a softer, cast iron rotor?  I think this would eliminate the squeal and give options for aggressive pads for better stopping.  The down side is we could wear the rotors out, but every other car I've owned has had rotors as a consumable item.  Seems a little different with the CBs.

Offline SOHC4 Cafe Racer Fan

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Re: Brembo Brakes cb750
« Reply #30 on: December 29, 2008, 06:53:10 PM »
I'm having my stock K7 upgraded with a period authentic Brembo-dual disc set up.  The stock single disc is a slug at stopping my heavy bike, and (as other rear drummers can attest), the rear drum brake doesn't offer too much real stopping power. 

I'll be happy to share information once it's sorted out.
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"There are some things nobody needs in this world, and a bright-red, hunch-back, warp-speed 900cc cafe racer is one of them — but I want one anyway, and on some days I actually believe I need one.... Being shot out of a cannon will always be better than being squeezed out of a tube. That is why God made fast motorcycles, Bubba." Hunter S. Thompson, Song of the Sausage Creature, Cycle World, March 1995.  (http://www.latexnet.org/~csmith/sausage.html and https://magazine.cycleworld.com/article/1995/3/1/song-of-the-sausage-creature)

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Offline jaguar

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Re: Brembo Brakes cb750
« Reply #31 on: December 29, 2008, 08:36:30 PM »
These brackets are also on the market. To use with AP caliper and 750 leg.

Also, I believe, JPX in France made cast brackets for Brembo P08 and for Lockheed. Fairly rare to see them on Ebay, but sometimes...............

Where can you buy them then?

Offline voxonda

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Re: Brembo Brakes cb750
« Reply #32 on: December 30, 2008, 12:17:28 AM »
@Jerry, they are for the K-leg after some adjustment to the leg.
@Jaguar, see picture.


Sorry, no intention to spam or anything, just showing what is available.
« Last Edit: December 30, 2008, 12:19:26 AM by voxonda »
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Offline Terry in Australia

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Re: Brembo Brakes cb750
« Reply #33 on: December 30, 2008, 12:29:16 AM »
Ooh, very nice Rob, have you got a pic of the whole assembly with everything bolted up? Cheers, Terry. ;D
I was feeling sorry for myself because I couldn't afford new bike boots, until I met a man with no legs.

So I said, "Hey mate, you haven't got any bike boots you don't need, do you?"

"Crazy is a very misunderstood term, it's a fine line that some of us can lean over and still keep our balance" (thanks RB550Four)

Offline voxonda

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Re: Brembo Brakes cb750
« Reply #34 on: December 30, 2008, 12:42:15 AM »
Hey Terry,

No, sorry I have not.

Cheers, Rob
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Offline lordmoonpie

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Re: Brembo Brakes cb750
« Reply #35 on: December 30, 2008, 01:51:26 AM »
Well you can get brackets like the ones above for 750 legs from Davies Motorsport in the UK. They should be on the web but don't know their URL. They can be emailed at daviesmotorsport@hotmail.co.uk for a price. The brakcets are beautiful milled and polished items.

Cast iron rotors can also be found at www.cateng.co.uk. Len does replacement service on these so send in your old rotor and you get it back with a nice new cast iron galvanised rotor on it.

If you look at the pictures of my Bomber above, you'll see the area on the disc swept by the pad is still pretty clean for a cast rotor and this hasn't bene raced for a year. The rest of the rotor is still galvanised so stays nice condition.
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Offline PxTx

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Re: Brembo Brakes cb750
« Reply #36 on: December 30, 2008, 06:47:30 AM »
Thanks so much for the cast iron rotor info.  I suspect if a fellow wanted to eliminate his squeal AND get increased brake performance, this is a step in the right direction.  Can you confirm that putting a cast iron rotor on a stock config with a good, aggressive pads would be a huge improvment over the OE config?

Offline fishhead

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Re: Brembo Brakes cb750
« Reply #37 on: December 30, 2008, 07:44:43 AM »
the rear drum brake doesn't offer too much real stopping power. 


 That's why the rear brake gets changed to disc brake also Too much brake is just enough.
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Offline lordmoonpie

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Re: Brembo Brakes cb750
« Reply #38 on: December 30, 2008, 11:14:51 AM »
Thanks so much for the cast iron rotor info.  I suspect if a fellow wanted to eliminate his squeal AND get increased brake performance, this is a step in the right direction.  Can you confirm that putting a cast iron rotor on a stock config with a good, aggressive pads would be a huge improvment over the OE config?
Well I think it is a big improvement yes. Go the next step with the AP caliper and master cylinder and you have modern braking performance with classic looks. It'll brake safe and hard or if you want to, you can join the Starboyz and do stoppies all day long :)
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Offline SOHC4 Cafe Racer Fan

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Re: Brembo Brakes cb750
« Reply #39 on: December 30, 2008, 07:03:41 PM »
I mispoke as to the brand of retro-period-authentic brakes in my previous post.  They're not Brembo's but AP dual discs.  I'll post with more info once their sorted out, but here's the website for AP:

http://www.apracing.com/info/index.asp?section=Motorcycle+Products_4
1975 CB550K1 "Blue" Stockish Restomod (http://forums.sohc4.net/index.php?topic=135005.0)
1975 CB550F1 frame/CB650 engine hybrid "The Hot Mess" (http://forums.sohc4.net/index.php/topic,150220.0.html)
2008 Triumph Thruxton (http://forums.sohc4.net/index.php/topic,190956.0.html)
2014 MV Agusta Brutale Dragster 800
2015 Yamaha FZ-09 (http://forums.sohc4.net/index.php/topic,186861.0.html)

"There are some things nobody needs in this world, and a bright-red, hunch-back, warp-speed 900cc cafe racer is one of them — but I want one anyway, and on some days I actually believe I need one.... Being shot out of a cannon will always be better than being squeezed out of a tube. That is why God made fast motorcycles, Bubba." Hunter S. Thompson, Song of the Sausage Creature, Cycle World, March 1995.  (http://www.latexnet.org/~csmith/sausage.html and https://magazine.cycleworld.com/article/1995/3/1/song-of-the-sausage-creature)

Sold/Emeritus
1973 CB750K2 "Bionic Mongrel" (http://forums.sohc4.net/index.php?topic=132734.0) - Sold
1977 CB750K7 "Nine Lives" Restomod (http://forums.sohc4.net/index.php?topic=50490.0) - Sold
2005 RVT1000RR RC51-SP2 "El Diablo" - Sold
2016+ Triumph Thruxton 1200 R (http://forums.sohc4.net/index.php/topic,170198.0.html) - Sold

Offline jaguar

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Re: Brembo Brakes cb750
« Reply #40 on: December 30, 2008, 09:26:04 PM »
@Jerry, they are for the K-leg after some adjustment to the leg.
@Jaguar, see picture.


Sorry, no intention to spam or anything, just showing what is available.


So these are to mount the vintage looking ap to a 350 fork?  Will they work with 750f legs. How is the braking with those calipers?
Why has no one made a run of brakets to use modern sport bike brakes on a 750 should be an easy kit to run a dz of right?  Someone here should...I'd buy it cause I don't have actsess to to tools to make them

Offline stueveone

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Re: Brembo Brakes cb750
« Reply #41 on: December 31, 2008, 12:14:44 AM »
Alright. So the Brembos came today. They look F#%$ING SWEET! The stock CB750 rotor is too thick to fit the new calipers. But I'm not crying, I figured I'd use 320mm rotors anyway.
As I was looking at the build, I decided to go with GL1000 front forks. Picked em up on ebay for a pretty decent price. Man, gotta love that ebay!
Alright, now to hunt down the rest of the pieces. . .


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Re: Brembo Brakes cb750
« Reply #42 on: December 31, 2008, 08:53:30 PM »
why not try this: MD1062LS from dynoman.com

Offline voxonda

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Re: Brembo Brakes cb750
« Reply #43 on: January 01, 2009, 06:37:44 AM »
Ooh, very nice Rob, have you got a pic of the whole assembly with everything bolted up? Cheers, Terry. ;D

Well did manage to find one:


Happy new Year ;D
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Offline Terry in Australia

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Re: Brembo Brakes cb750
« Reply #44 on: January 01, 2009, 04:32:00 PM »
Hey Rob, that looks fantastic mate, well done! Hmmmnnn, I've got a box full of Brembo calipers out in my garage, I wonder if I could make a mount like that to put a pair of Brembo's on my K1? Cheers, Terry. ;D
I was feeling sorry for myself because I couldn't afford new bike boots, until I met a man with no legs.

So I said, "Hey mate, you haven't got any bike boots you don't need, do you?"

"Crazy is a very misunderstood term, it's a fine line that some of us can lean over and still keep our balance" (thanks RB550Four)

Offline Retro Rocket

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Re: Brembo Brakes cb750
« Reply #45 on: January 01, 2009, 04:44:11 PM »
Hey Terry, those Cerriani's i have for you have a brembo on them as well but you don't want that do you mate.... ;D

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Offline 754

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Re: Brembo Brakes cb750
« Reply #46 on: January 01, 2009, 06:50:48 PM »
If those are Ceriani roadrace and Terry does not want them, put me next in line...please..
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Offline voxonda

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Re: Brembo Brakes cb750
« Reply #47 on: January 02, 2009, 12:37:19 AM »
Hey Rob, that looks fantastic mate, well done! Hmmmnnn, I've got a box full of Brembo calipers out in my garage, I wonder if I could make a mount like that to put a pair of Brembo's on my K1? Cheers, Terry. ;D

Hey Terry,
This set is made in England, not by me! But it is coming my way. It is possible with P08's too. Like I said in one of my previous posts there where brackets available, by JPX France, that used the original mounting for the bracket for AP, Brembo etc. I'll see if I have a pic of them. Know a lot of Endurance race teams used them in the '70's.

Cheers mate.
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Offline voxonda

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Re: Brembo Brakes cb750
« Reply #48 on: January 02, 2009, 01:19:25 AM »
Terry, think I lost that pic in time. But to show that there are more solutions here what Japauto did with 4 AP calipers to a CR front.


Cheers, Rob
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Offline mec

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Re: Brembo Brakes cb750
« Reply #49 on: January 02, 2009, 06:49:50 AM »
interesting and at the same crazy construction.
if the braking power is not good enough, then you have to switch to bigger (diameter) rotors.
braking means convert kinetic energy to heat. a bigger disk will do so. 4 calipers will add a lot of weight to the unsprung mass.

there is another method to mount brembo or ap calipers to the oem fork legs: in the 70ies, I remember, I weldet small brackets to the fork leg fitting to the calipers. pure and simple.

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