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 Post subject: 700 Gram frame
PostPosted: Thu Oct 06, 2011 4:44 pm 
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Joined: Sun Feb 06, 2005 4:22 pm
Posts: 3646
Location: Tucson, Az.
I just got this pre-production frame from Sarto and was really impressed so I thought I'd share it.

Frame is a 54cm top tube and it comes in at 712.7 grams. One with the 52cm top tube that I prefer will definitely come in at sub700 grams. Headtube is a tapered 1.125" to 1.5" Finish is matte on a 1k carbon. BB30. And even more impressive at this weight is full internal cable routing for both shifters and brake. The fork is definitely heavy compared to the frame but it's a pretty massive aero fork. The production one will come with a lighter fork. And even if it doesn't an Enve 1.0 tapered fork would be a great match for this frame. The frame also has a chip inside the seat tube that contains all the pertinent information about size, geometry, when it was built etc... Not really something that makes a difference to the consumer, but I think it does say a lot about the attention to detail they are putting into this one.

I have numbers on this frame (both stiffness and price) I just need to remember where I put them. Once I get those I'll make sure to add them to the post. I do remember that I was surprised by the price, not because it was high, but because it was quite low compared to other frames in the ultra light weight class.


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 Post subject: Re: 700 Gram frame
PostPosted: Thu Oct 06, 2011 5:02 pm 
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Joined: Tue Jun 23, 2009 10:47 pm
Posts: 226
Jason,

What's up with the big cut-out in the BB? Reminds me of the ornate cut-outs in the early '80's steel bikes that let in water no matter what kind of shield you ran in the BB. There aren't any intra-cup shields even available for BB30, are there?


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 Post subject: Re: 700 Gram frame
PostPosted: Thu Oct 06, 2011 5:14 pm 
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Joined: Wed Sep 26, 2007 1:57 pm
Posts: 7871
Location: San Francisco, CA
Looks like a very slackidasical head tube on the stock geometry, so a fork with at least 5 cm rake would be useful here:

http://www.sartocycles.com/index.php/cms/24/Leggera

Relatively short head tubes, though. Good stuff.

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 Post subject: Re: 700 Gram frame
PostPosted: Thu Oct 06, 2011 5:41 pm 
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Joined: Thu Apr 01, 2010 10:24 am
Posts: 595
Paintjob is pretty pants but that's an exciting frame! Awesome weight and if, as Madcow says, it comes with value - I think we might be seeing a few of them here on WW. :)


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 Post subject: Re: 700 Gram frame
PostPosted: Thu Oct 06, 2011 5:43 pm 
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Joined: Wed Oct 05, 2011 4:57 pm
Posts: 34
ouch this weight with all the new standart it's really pretty sexy :thumbup: :thumbup:

what a crazy frame 8) 8)


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 Post subject: Re: 700 Gram frame
PostPosted: Thu Oct 06, 2011 5:53 pm 
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Shop Owner

Joined: Sun Feb 06, 2005 4:22 pm
Posts: 3646
Location: Tucson, Az.
Estelja wrote:
Jason,

What's up with the big cut-out in the BB? Reminds me of the ornate cut-outs in the early '80's steel bikes that let in water no matter what kind of shield you ran in the BB. There aren't any intra-cup shields even available for BB30, are there?


Cutout is for the internal cable exit and is horizontal enough that water shouldn't collect. Bearing shouldn't be an issue as they are no more exposed from the inside than from the outside. (except for maybe Campag)

djconnel wrote:
Looks like a very slackidasical head tube on the stock geometry, so a fork with at least 5 cm rake would be useful here:

http://www.sartocycles.com/index.php/cms/24/Leggera

Relatively short head tubes, though. Good stuff.


You're looking at the geometry for a stock frame in a different models, these won't be stock frames, they'll be custom geometry.

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 Post subject: Re: 700 Gram frame
PostPosted: Thu Oct 06, 2011 6:02 pm 
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Joined: Tue Apr 18, 2006 3:03 am
Posts: 2280
Location: Islip, NY
I volunteer to test the 54cm.

I promise to ride the crap out of it and report back often.

-Eric 8)

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 Post subject: Re: 700 Gram frame
PostPosted: Thu Oct 06, 2011 7:19 pm 
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Joined: Fri Apr 04, 2008 2:49 am
Posts: 1406
Location: Europe
Damn nice! 8) Prego, uno test ride! :mrgreen:

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 Post subject: Re: 700 Gram frame
PostPosted: Thu Oct 06, 2011 7:20 pm 
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Joined: Sun Jun 18, 2006 10:29 am
Posts: 5086
Location: Athens, Greece
So, an italian frame can be a ww frame also! :thumbup:

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 Post subject: Re: 700 Gram frame
PostPosted: Thu Oct 06, 2011 7:23 pm 
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Joined: Wed Sep 26, 2007 1:57 pm
Posts: 7871
Location: San Francisco, CA
First ever...

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 Post subject: Re: 700 Gram frame
PostPosted: Thu Oct 06, 2011 7:34 pm 
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Joined: Thu Oct 06, 2011 9:43 am
Posts: 6
Who would want to ride a bike built with a 700 gram frame.

Oh Yes, one of these Guys. A weight weenie.

http://www.urbandictionary.com/define.p ... t%20weenie

Quote:
weight weenie
Road Bicycle enthusiast who becomes obsessed with subtracting weight from his bicycle at all costs, including overriding safety concerns and practicality. A Weight Weenie will always replace a 100 gram component with a 99 gram component regardless of all other factors, including cost, durability, and overall design and functionality. Materials that are commonly used in the pursuit of lightness include: aluminum, carbon fiber, composites, and titanium.


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 Post subject: Re: 700 Gram frame
PostPosted: Thu Oct 06, 2011 8:50 pm 
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Joined: Tue Nov 11, 2003 9:47 pm
Posts: 2138
Location: Santa Cruz, California, USA
I like the finish. Carbon fiber looks cool.

I like how they lined up the weave where they wrap the joints. It makes it look like its monocoque.

Is this the "super custom" frame that's on their web site? Does it use their "lightweight" tubing?


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 Post subject: Re: 700 Gram frame
PostPosted: Fri Oct 07, 2011 12:53 am 
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Joined: Thu Feb 19, 2004 9:58 am
Posts: 599
That Sarto looks really interesting. Will there be a weight limit like their Superleggera frame (170 lbs)?

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 Post subject: Re: 700 Gram frame
PostPosted: Fri Oct 07, 2011 5:17 am 
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Joined: Sun Sep 03, 2006 1:55 pm
Posts: 1838
Location: Western Australia
HighCadence wrote:
Who would want to ride a bike built with a 700 gram frame.

Oh Yes, one of these Guys. A weight weenie.


I hope that was said in jest otherwise you have completely missed the point of this forum.



Looks good!

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 Post subject: Re: 700 Gram frame
PostPosted: Fri Oct 07, 2011 6:58 am 
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Joined: Mon Dec 19, 2005 9:16 am
Posts: 1281
Can we ask how much Jason?

Thanks


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