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Cervélo aero post tuning

Discussion on bikes, and whatever...

Re: Cervélo aero post tuning

Postby pritchet74 » Sun Nov 13, 2011 9:08 pm

Really? Damn. Now I am confused....
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Re: Cervélo aero post tuning

Postby Soloist Assassin » Sun Nov 13, 2011 9:13 pm

Weird, I wonder why they would change it through out the years? I guess if yours is M5 already that eliminates the need for replacing the tube nut thing. Lucky you. The only problem I see with the POP yoke, is they don't curve up to go over the rail, so you'll have to use slightly longer/heavier bolts. Other than that, they look real nice.
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Re: Cervélo aero post tuning

Postby pritchet74 » Sun Nov 13, 2011 9:50 pm

They go over the rail - they are just round so they don't place a sharp edge on carbon rails.
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Re: Cervélo aero post tuning

Postby Ypsylon » Sun Nov 13, 2011 9:55 pm

My seatpost doesn't look anything like yours anyways, Soloist Assassin.

Mine is ud and is different at the top, too.
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Re: Cervélo aero post tuning

Postby pritchet74 » Sun Nov 13, 2011 10:12 pm

Then maybe mine is M5 bolts too. Better confirm that before I buy yokes.
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Re: Cervélo aero post tuning

Postby Soloist Assassin » Sun Nov 13, 2011 10:28 pm

Yeah, my post is an older one. It came on my 08 Soloist Carbon. The 09-up are the newer UD ones. So there might be differences between the two.
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Re: Cervélo aero post tuning

Postby Soloist Assassin » Sun Nov 13, 2011 10:39 pm

Ypsylon, are you sure your bolts are M5? I was just looking at a newer seatpost, and it had the same hardware as mine. M5 is the same thread as water bottle bolts, which is pretty small. The original bolts on mine were definitely M6 thread, with 5mm heads. You aren't confusing the head size with the thread size are you?
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Re: Cervélo aero post tuning

Postby Ypsylon » Sun Nov 13, 2011 11:00 pm

Yep, you're right. Not sure how difficult it can be to shove a pair of calipers against a bolt, but obviously it's too difficult for me.

One of the bolt heads even takes a 6mm allen wrench. That could have been a pointer.
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Re: Cervélo aero post tuning

Postby pritchet74 » Mon Nov 14, 2011 12:48 am

Ya, I recall the allen bolts on my Ritchey stem being M5 so I thought these were M6 since they were bigger.

So the concensus is that they are M6, correct? Just wanna be sure.

And when is the last time any thread had this much action on a Sunday?
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Re: Cervélo aero post tuning

Postby BMANX » Mon Nov 14, 2011 2:48 am

If you go back I think I used the AX yokes which I liked a bit better as they were more gentle on the carbon rails.
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Re: Cervélo aero post tuning

Postby pritchet74 » Mon Nov 14, 2011 3:04 am

Ya, but where am I going to get AX yokes and what's that going to cost? Also, the AX yokes don't work with M6 bolts. Definitely the preferred the option, but sound like too much work for me. :wink:
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Re: Cervélo aero post tuning

Postby BMANX » Mon Nov 14, 2011 4:41 am

you totally modify a Di2 set up and then modify mounting to use Hooker brakes but the yokes are too much work? WTF?
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Re: Cervélo aero post tuning

Postby pritchet74 » Mon Nov 14, 2011 5:34 am

Ya, we all have our limitations. :mrgreen:
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Re: Cervélo aero post tuning

Postby Soloist Assassin » Mon Nov 14, 2011 1:11 pm

Boy this thread has gone crazy since I broke out the air saw, drill and grinder. :)
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Re: Cervélo aero post tuning

Postby Cheers! » Mon Nov 14, 2011 6:24 pm

If you cut shorter the extensions/tabs you loose the extra support for the rails. In my opinion that is a negetive and I would rather have extra rail support. That is why I don't like the KCNC seatposts and like the Thomson seatposts, because Thomson lower cradle maximizes saddle rail support.
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