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milky
 Post subject: Re: X1 twin disc setup
PostPosted: 29 Dec 2011 21:43 
Contacted Pretech and they make a caliper thats almost identical to the nissin for £250 + vat and can use a second buell disc or EBC discs, looking to use a brembo master cylinder ,which I'll take off my Tuono and try. Love the AP calipers.. Mechanical porn ! !
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OF
 Post subject: Re: X1 twin disc setup
PostPosted: 30 Dec 2011 10:07 
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daywalker wrote:
OF the GSXR route is one that I am going to use. I have everything but the wheel and the discs which is in the post (apparently). I reckon the total cost will be around £550 using GSXR 600/750 forks K8 forks, bottom yolk and wheels and discs with GSXR1000 K6 calipers and master cyclinder with an LSL top yolk for a GSXR600/750 K5. All the stuff is available with very low mileage as the racers take it off and upgrade it and keep the originals for spares or sell it on. Plus the other benefit is better forks as well as lighter front wheel and stiffer spindle.


8-) 8-) I shall look forward to seeing it installed.....

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gunter
 Post subject: Re: X1 twin disc setup
PostPosted: 30 Dec 2011 10:35 
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Current ride: CB1300, Z750, R1200
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Pict's showing XB instead a X1, nevertheless another nice conversion, usind Ducati forks and a custom made yoke:

http://p-formshop.de/redaxo4_3_2/files/gabel03.jpg
http://p-formshop.de/redaxo4_3_2/files/gabel09.jpg

found at http://p-formshop.de/redaxo4_3_2/index.php?article_id=5 (do you spot the little flaw? ;) )

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chris(madrid)
 Post subject: Re: X1 twin disc setup
PostPosted: 30 Dec 2011 10:55 
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gunter wrote:
(do you spot the little flaw? ;) )
It's in German? ;)

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richie
 Post subject: Re: X1 twin disc setup
PostPosted: 30 Dec 2011 13:29 
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chris(madrid) wrote:
gunter wrote:
(do you spot the little flaw? ;) )
It's in German? ;)

Looks to me that someone got the risers wrong in the solidworks cad drawing :?

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Mickrick
 Post subject: Re: X1 twin disc setup
PostPosted: 30 Dec 2011 14:31 
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Don't mention the war. :shut:
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milky
 Post subject: Re: X1 twin disc setup
PostPosted: 01 Jan 2012 17:45 
Ha Ha spotted the flaw..the picture in the header is taken from the wrong side of the film..??
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muzza
 Post subject: Re: X1 twin disc setup
PostPosted: 08 Jan 2012 21:02 
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http://www.ebay.co.uk/itm/BUELL-DUCATI- ... 3cc0745497


:o :shock: :? they dont look that good

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pash
 Post subject: Re: X1 twin disc setup
PostPosted: 08 Jan 2012 21:27 
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And maybe you can't get decent pads for them...

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Beef
 Post subject: Re: X1 twin disc setup
PostPosted: 09 Jan 2012 05:44 
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I love my Pretech twin disc set up-certainly halts my baulk better than I expected 8-) lOl lOl

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daywalker
 Post subject: Re: X1 twin disc setup
PostPosted: 09 Jan 2012 14:41 
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muzza wrote:
http://www.ebay.co.uk/itm/BUELL-DUCATI-HONDA-DUAL-4-PISTON-FRONT-BRAKE-CALIPERS-/260926887063?pt=Motorcycles_Parts_Accessories&hash=item3cc0745497


:o :shock: :? they dont look that good


I have one of those calipers as a back brake. Don't really think about it other than it is a bit strong for a rear brake. Should really get rid of it as it is too big and heavy for a rear brake.

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thorkill the tall
 Post subject: Re: X1 twin disc setup
PostPosted: 09 Jan 2012 21:23 
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Talking of back brakes, I fitted one of these to Suzuki streetfighter today.
They also do one to fit Tubers:

http://www.billet.co.uk/popuppages/buell/rear_rear.html

http://www.billet.co.uk/popuppages/buell/whl_shll.html

Full page here.

I think I might start saving.....

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x1glider
 Post subject: Re: X1 twin disc setup
PostPosted: 12 Jan 2012 23:18 
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When I did the twin discs on my X1, I also went to a larger bore master cylinder. Braking wasn't really any better without it. It was either a 13/16" or 7/8". Can't remember that far back.

The only reason I can see keeping the stock master cylinder is for less pressure on each disc which would solve the problem of warping they're known for.

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kevmean
 Post subject: Re: X1 twin disc setup
PostPosted: 12 Jan 2012 23:20 
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x1glider wrote:
When I did the twin discs on my X1, I also went to a larger bore master cylinder. Braking wasn't really any better without it. It was either a 13/16" or 7/8". Can't remember that far back.

The only reason I can see keeping the stock master cylinder is for less pressure on each disc which would solve the problem of warping they're known for.


I didn't know X1 discs were prone to warping .....never had a problem with Muffins in 55000 miles

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rik
 Post subject: Re: X1 twin disc setup
PostPosted: 12 Jan 2012 23:31 
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kevmean wrote:
x1glider wrote:
When I did the twin discs on my X1, I also went to a larger bore master cylinder. Braking wasn't really any better without it. It was either a 13/16" or 7/8". Can't remember that far back.

The only reason I can see keeping the stock master cylinder is for less pressure on each disc which would solve the problem of warping they're known for.


I didn't know X1 discs were prone to warping .....never had a problem with Muffins in 55000 miles


:yt: The problem with Tuber front discs was the wear between the bobbins and the carrier, especially with the earlier bolt-up, 6-bobbin ones. They'd rattle their heads off at tick-over but I've not known them to warp.
Warping has nothing to do with pad 'pressure' and everything to do with uneven heating/cooling (eg holding the brakes on on a stationary hot disc) or poor design not allowing natural expansion/contraction.

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