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 Post subject: What is best bracket to use to convert from 280 to 320 discs
PostPosted: Mon Dec 11, 2017 2:33 pm 
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Joined: Thu Nov 02, 2017 12:16 am
Posts: 12
Location: UK
model: 750 Sport
year: 1989
We just finished installing the rear wheel ...next job is the front. Need a brake bracket to hang 40mm brembo 4 piston calipers. Have wheel and discs, but need bracket and calipers ... on a budget... it's Christmas


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 Post subject: Re: What is best bracket to use to convert from 280 to 320 d
PostPosted: Mon Dec 11, 2017 9:52 pm 
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paso grand pooh-bah
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Joined: Wed Dec 05, 2007 12:35 am
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Location: Newzealand
model: 906 Paso
year: 1990
https://store.bevelheaven.com/Brake-Rel ... mm-Rotors/ :D

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 Post subject: Re: What is best bracket to use to convert from 280 to 320 d
PostPosted: Tue Dec 12, 2017 8:27 am 
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paso grand pooh-bah
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Joined: Sun Jul 18, 2004 12:00 am
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Location: southern Germany
model: 750 Paso
year: 1987
those won't work. Here's a drawing of the right adapters.
https://app.box.com/s/gj6cbxn48w


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 Post subject: Re: What is best bracket to use to convert from 280 to 320 d
PostPosted: Wed Dec 13, 2017 12:40 am 
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paso grand pooh-bah
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Location: Newzealand
model: 906 Paso
year: 1990
why not ?

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 Post subject: Re: What is best bracket to use to convert from 280 to 320 d
PostPosted: Wed Dec 13, 2017 2:32 am 
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Joined: Fri May 01, 2015 9:31 pm
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Location: Australia
model: 907 I.E.
year: 1991
Mc tool wrote:
why not ?


yeah. +1 ... they look very similar dimensions... your drawing (nice detail on the drawing by the way) has the 40mm caliper slightly leading but i wouldn't have thought that would a huge difference?


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 Post subject: Re: What is best bracket to use to convert from 280 to 320 d
PostPosted: Wed Dec 13, 2017 3:29 pm 
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paso grand pooh-bah
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Joined: Sun Jul 18, 2004 12:00 am
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Location: southern Germany
model: 750 Paso
year: 1987
The drawing was made many years ago in Powerpoint. :truck: Unfortunately I have no skills using AutoCad.
The dimensions if you refer to the distance from the top or bottom edge to the caliper mounting holes are indeed the same. The difference is the offset.
On this pic from left to right you see the 280 adapter (in the 280mm disc position), the 300/320 in the 300mm disc position and upside down for a 320mm disc.
If you turn the 280 adapter upside down it will fit a 300mm disc, too. The caliper will have less offset compared to the 300/320 adapter but sit higher. To fit on a 320mm disc the caliper would have to sit even higher or more offset. Therefore you'll need the other adapter.


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 Post subject: Re: What is best bracket to use to convert from 280 to 320 d
PostPosted: Wed Dec 13, 2017 9:25 pm 
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Joined: Tue Jan 17, 2006 12:00 am
Posts: 324
Location: Lower Hutt, New Zealand
model: 750 Paso
year: 1986
Ducpower has some conversion brackets for USD$75.00 http://www.ducpower.com/ With the right offset.
Cheers,
Fraser.

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1980 Moto Morini 500 Sport
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 Post subject: Re: What is best bracket to use to convert from 280 to 320 d
PostPosted: Thu Dec 14, 2017 11:09 pm 
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Joined: Thu Nov 02, 2017 12:16 am
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Location: UK
model: 750 Sport
year: 1989
Many thanks to all!


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