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PostPosted: Sat Jan 06, 2018 6:23 pm 
Dirt Disciple
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Joined: Fri Jun 17, 2016 9:53 am
Posts: 26
Info:

Suntour Power Shifter can't be fitted using braze on connections, without fabrication.
Image


Last edited by GuyBoden on Sat Jan 20, 2018 7:11 pm, edited 1 time in total.

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PostPosted: Sun Jan 07, 2018 11:41 am 
r.B.o.T.M. & P.o.T.M. Winner
r.B.o.T.M. & P.o.T.M. Winner
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Location: Plymouth, UK
Are you asking or stating? All the ones I have seen have been band on.


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PostPosted: Sun Jan 07, 2018 3:56 pm 
rider | rBoTM Winner
rider | rBoTM Winner
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I suspect you have to have the correct Suntour brazed-on boss.

Not all brazed-on bosses are the same.


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PostPosted: Sun Jan 07, 2018 3:56 pm 
Old School Grand Master
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Location: Cumbria
Bolt 17 is not exactly the same as Campag but is close enough to screw into a brazed on boss.


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 Post subject: Re:
PostPosted: Sun Jan 07, 2018 7:06 pm 
Retro Guru

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Location: Sheffield, top city
I've previously tried disassembling the band on version to fit onto standard campag-fit bosses and couldn't do it. The main problem was the levers are too fat (or bosses are too short) to allow you to fit all the washers and make them work properly.

Old Ned is probably right - there may be specific bosses.

Btw, they were the best working levers of their day. Far better than the simpIex/mavic sprung version. I have a suntour retrofriction bar con on one bike and its great - easy to pull back and no cable slippage the other way


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PostPosted: Mon Jan 08, 2018 9:21 pm 
Dirt Disciple
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Spokesmann wrote:
Are you asking or stating? All the ones I have seen have been band on.


I'm stating the facts, for general info purposes and posting the Suntour Power Shifters diagram showing braze on connections, which I have never seen before.........


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PostPosted: Mon Jan 08, 2018 9:24 pm 
King of the Skip Monkeys
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that frame boss is round whereas the majority are square?


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 Post subject: Re: Re:
PostPosted: Mon Jan 08, 2018 9:27 pm 
Dirt Disciple
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pigman wrote:

Btw, they were the best working levers of their day. Far better than the simpIex/mavic sprung version.


Totally agree, they're still my fav Shifters.....................


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PostPosted: Mon Jan 08, 2018 9:54 pm 
Old School Grand Master
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legrandefromage wrote:
that frame boss is round whereas the majority are square?


Maybe so, but look at the shape of the backing plate (labelled 2 and 3).


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PostPosted: Mon Jan 08, 2018 9:56 pm 
King of the Skip Monkeys
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yes, roundy roundsome


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