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Buell Forum » Old School Buell » Archive through February 02, 2011 » XR1200 dual disks on a tuber? « Previous Next »

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Outdoors
Posted on Tuesday, December 14, 2010 - 11:41 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Has anyone given any thought to fitting XR1200 dual disk components to a tuber fitted with standard X1/S3 forks and tuber wheels. Seems like quite a few similarities between them. I've read that the bolt spacing for the disk to wheel is the same as the tubers.

Might be another way to get dual disks on a tuber. Many parts of the XR look to have been pirated from the Buell bikes so maybe we could take some back!

This is not a thread on whether duals disks are needed or whether the newer XB brakes are better. Thanks.
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Court
Posted on Tuesday, December 14, 2010 - 01:51 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

>>>Might be another way to get dual disks on a tuber.

But why?

It was a great feat of engineering to find a way to eliminate the unnecessary additional weight of the 2nd rotor while improving both handling and breaking.

I guess you could . . . but you can also use a magneto with a spark advance on the twist grip on the left handlebar.
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Nallac
Posted on Tuesday, December 14, 2010 - 02:09 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I've thought that a complete XR wheel transplant on to a Tuber would look cool.
They're a good looking set of wheels.
Twin disc's would be a bonus,for those of us that would like them....Could get rid of that twitch under hard braking.
I'd like my X1's brakes to be as good as my old 99 R1's.
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Court
Posted on Tuesday, December 14, 2010 - 03:21 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

>>>Could get rid of that twitch under hard braking.


I'm dying to know . . how would two rotors get rid of a twitch? . . . wouldn't you get twice the twitch?

Let me guess . . .

: )

With a rotor on only one side the bike pulls that way when you brake hard ? ?

: )
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Outdoors
Posted on Tuesday, December 14, 2010 - 05:42 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Hey, I'm not bashing EB's design or engineering skills and as per my initial question, I requested that this not to turn into a pro vs con survey of dual disk braking. Please respect that.

I simply like twin disks and since this is a frequent topic on this forum,I thought that the XR parts might be a new alternative. I welcome any on topic feedback that any Badwebber can provide.

Regards.
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Hurricaneleah
Posted on Tuesday, December 14, 2010 - 08:56 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

its not a bolt on by any means. the XR uses a 1" diameter axle, so you have to swap in tuber front wheel bearings. The disc plate is approximately 1/2" further out on both sides as well . and the spacers are different (and made of cast iron). plus the wheel is heavy. And without adapters, there is no way to mount the calipers on a Buell fork.....

We did the exact opposite, running a tuber wheel on our XR. needed to make spacers for the brake discs and use XB wheel bearing to accomodate the 25mm/1" axle, but it was surprisingly easy.
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Ratbuell
Posted on Wednesday, December 15, 2010 - 12:11 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

We did the exact opposite, running a tuber wheel on our XR

heh...love that! Kinda like all the V-rod drag racers using XB wheels and ZTL brakes to save weight : )
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Jayvee
Posted on Saturday, December 18, 2010 - 02:34 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Hey wouldn't two discs each make a twitch that would cancel each other out?

There are still Two-Disk kits sold, even some sponsors. I'd rather get a Brembo kit, and then replace the rotors with two ceramic ones from RaceTech. Ever lift their ceramic rotor? It's like an ounce. Umbelievable. They came to the Cycle World Show couple years ago, Paul I think it was. I told him I'd give a lot of money for one big disc, but he said they don't do one-offs, and Tubers are obsolete, or something like that. They do make them for almost all models of ducati. One of them should fit the Brembo carriers.
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Hybridmomentspass
Posted on Saturday, December 18, 2010 - 02:58 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

If someone (the original poster) wanted to do the dual disks and the wheels, wouldnt it be easier to just swap front ends?

Or just the front end for the mounting points etc and then it'd be easier to mount the front wheel VS a bunch of adaptors etc to make the brakes work.

I dont know, just talking out my butt on this one, but since the XR has upside down forks it should be pretty similar to what we have now. Maybe a little machining of the triples?

just spitballing, yall have fun
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Hybridmomentspass
Posted on Saturday, December 18, 2010 - 02:59 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

and agreed with Rat - TONS of harley and buell racers swap to the XB front to save weight and I'd do the same if I had the money.
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Amrcnba
Posted on Saturday, December 18, 2010 - 04:00 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I have installed several twin disk front brake systems on the tubers.

I've purchased several of the billet bracket kits and then used the Ducati front masters designed to run with dual-disk brakes, with either the Nissin LT caliper or the Brembo LT caliper, either works great. For rotors, you have to use one of the older sets of Ducati rotors with 5 bolt holes instead of 6.

The results were awesome. Is it needed? No, but it looks great and the braking was improved.
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Phelan
Posted on Sunday, December 19, 2010 - 01:02 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

FWIW, the Harley rotors will bolt right onto a Tuber wheel, but you need to bore the center to fit the hub. I bolted on my XL1200S rotors onto a Marchesini Buell wheel for shitz n gigglez once.
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Maru
Posted on Sunday, December 19, 2010 - 02:37 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

May i ask who makes these billet caliper bracket kits as described above? Steve
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Da_fraemda
Posted on Tuesday, December 21, 2010 - 03:40 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Hi,
I have the 2x4-Beringer-Kit on my X1. It is a real bolt-on-kit. The original master-cylinder can be used and I don't need any adapters for the calipers.



The benefits are better dosing of brake-power, less torsion and less heat per brake-disc. It can be, that my new brake is a little bit heavier, but not so much, that I would notice it.


(Message edited by da_fraemda on December 21, 2010)
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Rick_a
Posted on Tuesday, December 21, 2010 - 10:29 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Use an aftermarket Nissin caliper on the other side and make an adapter. Another rotor run reverse works fine on the other side. Any 5/8" master cylinder works (if it'd a PM caliper bike it has one stock), or for better feel use a radial.

As mentioned, the dual setup is much more consitent when hot, won't fade, won't overheat, and the pads and rotors will last much longer.
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Nallac
Posted on Wednesday, December 22, 2010 - 04:06 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

good info Pascal, i never knew Beringer did a Buell kit.. can you post some pics of your bike?..

link here for those interested; http://www.beringer-brakes.com/cat/caten.pdf
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Outdoors
Posted on Thursday, December 30, 2010 - 09:15 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Thanks for the good info.

Wes
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Rex
Posted on Thursday, December 30, 2010 - 02:45 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Looks cool. here is my braking one...

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Firemanjim
Posted on Friday, December 31, 2010 - 01:28 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I remember talking to a couple of the XB race teams at Laguna a couple years ago and they were swapping out the fork lowers from a GSXR as they used Showa forks as well. Got nice radial mount calipers out of the deal.
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Da_fraemda
Posted on Saturday, January 01, 2011 - 09:44 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

deleted

(Message edited by da_fraemda on January 01, 2011)
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Da_fraemda
Posted on Saturday, January 01, 2011 - 10:06 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

@Nallac:
OK, here I have the designated photo..


beringer_brake_x1


Greetings & Happy new year,
da_fraemda aka Pascal

(Message edited by da_fraemda on January 01, 2011)

(Message edited by da_fraemda on January 01, 2011)
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Dinuns1
Posted on Saturday, January 01, 2011 - 12:00 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

DOES ANY ONE KNOW A US DISTRIBUTOR FOR THE BERINGER OR HOW MUCH THEY ARE
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The_italian_job
Posted on Saturday, January 01, 2011 - 12:59 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I would be surprised if Beringer still produces this kit...
it might be discontinued as every kit for tubers was by now.
and Beringer is not cheap anyway...
my suggestion: buy 2 Nissin Calipers from MV Agusta Brutale, they're exactly the same calipers of our tubers, you will just need to fabricate 2 brackets to mount them on the forks. and obviously a radial master, a 16mm is enough for those calipers.
you can find them used on eBay for a good price.
it's an affordable, valid solution.
I have a set ready to be mounted, just waiting for the custom brackets...
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Da_fraemda
Posted on Tuesday, January 04, 2011 - 07:49 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Hi Edoardo,
but the pdf-file, Nalac (Calan) has posted is still the effective one from the Beringer-homepage. So I think it is worth a try.

Greetings,
da_fraemda aka Pascal
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The_italian_job
Posted on Tuesday, January 04, 2011 - 10:07 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Pascal,
a lot of websites don't update their online catalogues, but in this case it may be still available.
I honestly don't know.
Beringer is a great company, their products are very valid and very well manufactured.
I wish they had available the 6 piston caliper though, looks better and has definitely a stronger stopping power.
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Bernhardgrave
Posted on Thursday, March 29, 2012 - 08:21 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

If it not too late to answer Outdoors' original question, Yes:
the XR1200 wheels are very nice wheels made by Enkei (and they are inexpensive! as wheels go).
model year 2000 and up Harleys have the same centerhole diameter and 5 bolt spacing as the tuber Buells.
The bearing with the metric OD and ID for the tuber axles is easily sourced. and you can use the stock XR1200 bearing preload spacer.
BrakeTech (http://www.braketech.com/index.php?option=com_cont ent&view=article&id=48&Itemid=97) makes a nice 320mm disk for the XR1200 and it has no offset, meaning the critical step of milling the disk mount surfaces on the wheel so that it spaces the discs to be centered in the calipers is minimal. Or you could mill out a little more and use the 340mm tuber rotors which do have an offset.
However, therein lies the rub - finding someone with a milling table big enough to fit the 18" wheel will be hard.
brakets for making a dual brembo calipers setup for 320mm disks can be had from Yoyodyne (http://www.yoyodyneti.com/category.aspx?categoryID =2730).
I put a 18"spoke wheels using sportster hubs on my '99 M2 cyclone with 120/70-18 front and 160/60-18 rear, and the slower steering from that size front wasn't a problem in everyday scrathing, and it looked cool. kept the single front disk setup though. sorry no photos, I sold the bike a while back. damned divorce.

check this out too - http://www.motorcyclemetal.com/gpage33.html - he has some photos of the Braketech disks on the XR1200 wheel in there somewhere.

and you'll need to make the wheel spacer to center the wheel. no biggy.

Fitting the Rear is an easy matter of buying some unchromed spacers for 2000> Harleys, which can be found as thick as 2", then have them machined down to locate the sprocket and disk axially. might even want to mount a support bearing in the sprocket spacer too.(http://vulcanworks.net/store_4/home.php?cat=2)

the rearbrake will take some adapting - it would probably be easiest to get the XR1200 260mm rear disk and just have 10mm cut off all around to make it a 240mm.

Go for it!
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Bernhardgrave
Posted on Thursday, March 29, 2012 - 08:23 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

oops,
Outdoors didn't ask about the wheels. just the disks and calipers.

Never Mind...
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