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PostPosted: Fri Apr 03, 2009 12:45 am 
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in the industry

Joined: Thu Jan 08, 2009 12:16 pm
Posts: 159
Location: Melbourne Australia
corky wrote:
those are hot...... availability & cost?


Yes I will make some available, PM me if interested

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Posted: Fri Apr 03, 2009 12:45 am 


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PostPosted: Fri Apr 03, 2009 1:59 am 
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Joined: Wed Jul 13, 2005 10:51 am
Posts: 1054
Location: Sydney, Australia
Cool, PM coming your way.

fletch62: If you want, I have some carbon seatpost offcut that would probably suit a DIY job like that. PM me if you're interested, it's you'rs for the cost of postage.

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PostPosted: Fri Apr 03, 2009 8:44 am 
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Joined: Tue Oct 18, 2005 6:02 pm
Posts: 490
Location: The Netherlands
Little OT: does anyone know if the masterpiece has Ti hardware? I know the Elite has steel, but not sure about the mp..

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PostPosted: Fri Apr 03, 2009 9:18 am 
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Joined: Mon Sep 08, 2008 7:44 am
Posts: 427
Location: Oztralien
One that i have been looking at and trying to source is this:
The carbon cradle extends along the saddle rails and the top clamps are in line with the ends of the cradle so no extra pressure points.


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PostPosted: Sat Apr 11, 2009 3:39 am 
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Joined: Wed Sep 26, 2007 1:57 pm
Posts: 7371
Location: San Francisco, CA
Some data from my Thomson Masterpiece:

clamp diameter: 31.8 mm
original length: 350 mm (stated)
original mass: 190.3 grams
cut-section (3.9 cm): 9.7 grams = 2.5 grams / cm
final mass: 180.4 grams
sawdust: 0.2 grams (calculated)

clamps (2): 48.1 grams
cylinders (2): 9.4 grams
bolts and washers (2): 11.7 grams
cut post: 111.2 grams (cut)
uncut post (calculated): 121.1 grams

The clamp is an obvious source of weight savings. Not much in the bolts (8.3 grams here, saving 3.4 grams). Cutting is an obvious no-brainer.... cost me $5 at the local shop, around $0.5/gram.

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PostPosted: Sun Apr 12, 2009 10:09 pm 
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Location: San Francisco, CA
me: So what do you think of these clamps?
girlfriend: You're asking hypothetically, right?
me: (pause) No. They save 30 grams!
girlfriend: You can't be serious. I would be very upset if you got those. They're totally untested.
me: Yeah... well.... if they failed, they probably wouldn't do so catastophically....

Anyway, it looks like I'm out :).

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PostPosted: Mon Apr 13, 2009 3:05 am 
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Location: Sydney, Australia
Quote:
Cutting is an obvious no-brainer.... cost me $5 at the local shop, around $0.5/gram.


You paid $5 for someone to cut your seat post?!? Do you have no hands or something?

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PostPosted: Mon Apr 13, 2009 3:29 am 
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Location: San Francisco, CA
No hacksaw :). I had a Skil Saw, but that was making a mess of it.

Hey, at least I repair my own flats :).

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PostPosted: Thu May 21, 2009 11:52 pm 
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Location: San Francisco, CA
whodesigns wrote:
corky wrote:
those are hot...... availability & cost?


Yes I will make some available, PM me if interested


How's it working out for you?

Image

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