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PostPosted: Fri Aug 29, 2014 7:17 pm 
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Joined: Tue Jan 17, 2012 4:01 pm
Posts: 705
Location: Downtown Los Angeles, CA
I'll post some pictures, but wanted to give my experience with modern EC90 seatposts as a platform for tuning. I received a 300mm (or 350, can't remember) post from eBay for $50. Here are the weights:

Complete post: 195g, (good start)
Post Only: 123g uncut
All Hardware including cradle: 72g
Bottom cradle only: 21g
Steel bolts: 15g

So, I grabbed some Ti bolts (9g) and Ti yokes (15g) expecting a new, "tuned" weight of 168g uncut. I went to mount the saddle...immediate disappointment. They brought the carbon area up and beyond the height of the rails. The new top piece of the Easton cradle is designed to intertwine with the post, meaning a no go with yokes.

Question now becomes to dremel or not. This is a non-structural area that'd be dremelled since they've effectively built a fricken faring.

Thoughts?

Also, as an aside, I really like the carbon finish they did on it, raw UD with a matte clear. Unlike Enve's finish which hides the UD carbon to a degree, the UD shows through very nicely.

_________________
Litespeed Siena: 6.21kg (retired)

Litespeed Xicon: 5.76kg (retired)

Cervelo R5ca: 5.09kg


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PostPosted: Fri Aug 29, 2014 7:46 pm 
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Joined: Thu Jan 08, 2004 10:11 pm
Posts: 779
Do you have pics of the part you would like to dremel?


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PostPosted: Fri Aug 29, 2014 10:04 pm 
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Joined: Wed Jan 22, 2014 11:48 am
Posts: 1400
Is it an original?


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PostPosted: Fri Aug 29, 2014 10:34 pm 
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Joined: Tue Jan 17, 2012 4:01 pm
Posts: 705
Location: Downtown Los Angeles, CA
Here's a picture of it. As you can see, there's fore and aft portions that go in between the rails and rise above the rail level, preventing yokes from clamping down.

If I had a small enough dremel cutting bit, I could probably cut out just enough for the yokes to slot in, kind of like |_|

I'm thinking I can get this post down to 140g with how much is inserted and how much is in the "faring"


Attachments:
seatpost2.jpg
seatpost2.jpg [ 58.58 KiB | Viewed 751 times ]

_________________
Litespeed Siena: 6.21kg (retired)

Litespeed Xicon: 5.76kg (retired)

Cervelo R5ca: 5.09kg
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PostPosted: Sat Sep 06, 2014 8:16 am 
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Joined: Sat Sep 06, 2014 8:13 am
Posts: 27
Location: Hobart, Tasmania
Really? I like a good ghetto mod, but all that effort fir such minimal gram savings? Why not just do a poo before you ride? Or wear some shorter socks?
Regardless, good luck with your mods, and post some pics of finished product. Just keep the item from being unsafe!


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