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PostPosted: Tue Mar 26, 2013 2:14 am 
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Joined: Wed Oct 31, 2007 10:32 pm
Posts: 8138
Location: Los Angeles / Glendale, California
Does anyone have the weight of a CF M4x20 bolt?

The bolt in my hand weighs .51g (rounded up), but it is not CF. I'm wondering what a CF one would weigh in comparison.

Thanks.

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PostPosted: Tue Mar 26, 2013 2:28 am 
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Joined: Wed Oct 31, 2007 10:32 pm
Posts: 8138
Location: Los Angeles / Glendale, California
I found that an M4x16 is .5g (not my scale, apparently the scale only goes to the tenth of a gram).

But that M4x16 costs 9,50€

Kinda pricey for an assumed .01g savings. :evil:

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PostPosted: Tue Mar 26, 2013 7:45 am 
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Joined: Tue Feb 10, 2009 8:03 am
Posts: 251
Location: Czech Republic, Europe
as for price: yes, they are expensive, but those cca 10 euro for one bolt is nothing you could not afford. And even when I know that weight savings are something like 1g compared to Alu bolts, I bought them to hold my Tune bottle cages.
Just nice WW detail on your bike :D

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My Wilier Zero7: http://weightweenies.starbike.com/forum/viewtopic.php?f=10&t=116053
And Ridley X-Fire Disc http://weightweenies.starbike.com/forum/viewtopic.php?f=10&t=124026&p=1056055#p1056055


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PostPosted: Tue Mar 26, 2013 8:48 am 
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Joined: Thu Aug 20, 2009 12:44 pm
Posts: 121
has anyone got a link to a site ? , I am interested if the carbon is wound or runs lengthwise , either way the resin holding the fibres together must do all the work .


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PostPosted: Tue Mar 26, 2013 9:18 am 
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Joined: Wed Oct 31, 2007 10:32 pm
Posts: 8138
Location: Los Angeles / Glendale, California
http://www.schmolke-carbon.de/carbon/ca ... chraub.php

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PostPosted: Tue Mar 26, 2013 9:39 am 
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Joined: Thu Aug 20, 2009 12:44 pm
Posts: 121
ah , PEEK thermoplastic resin (epoxy is a thermoset resin) , I wonder how long the fibres are in their "highly specialised pressure extrusion procedure"


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PostPosted: Tue Mar 26, 2013 10:57 pm 
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Joined: Mon Apr 03, 2006 8:53 am
Posts: 599
So I have looked for PEEK bolts and then found that RENY is even better, but the issue is purchasing, even if I get my ride group to buy some it won't be enough to get past the minimum order amounts usually around $200USD.

Anybody have a supplier that will do small amounts?

C


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PostPosted: Wed Mar 27, 2013 1:53 am 
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in the industry

Joined: Mon Aug 14, 2006 4:58 pm
Posts: 680
Location: Detroit, MI
I was curious what you were talking about and came across this

http://onlinecatalog.tpa-us.com/viewite ... cket-head-?

seems like it might be the ticket


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PostPosted: Wed Mar 27, 2013 4:28 am 
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Joined: Sat Jan 21, 2012 5:28 am
Posts: 216
I'd like to get in on a Schmolke order if anyone is planning on ordering.
I've been on the eternal wait list with Fairwheel...tired of waiting.
Thanks


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