Help! I HATE my aero seatpost!

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http://www.cannondale.com/usa/usaeng...plement_en.pdf

If you scroll down to the part titled "Saddle Clamp Assembly", you'll find a detailed description of the clamping system on my Synapse. And yes, it is the white/silver one. Indeed, it is a beautiful bike...but I've had a few annoying issues with it...unfortunately. Something in my headset/fork area makes a constant "creaking" noise. I've already had the bike back at the dealer for this. They tore down the entire fork and reassembled it. The mechanic ended up removing 1 spacer, saying that the creaking stopped immediately after he removed it. Well...guess what? That only lasted for about a week, and the creaking noise came back with a vengeance. My DH tore apart the headset and re-greased everything. No creaking...for about a week...then it came back AGAIN. I cannot tell you how frustrating it has been. We rode 85 miles today, and all I heard the entire time was - creak, creak, creak....I wanted to scream!!! The bike is going back tomorrow and I am demanding that they fix that creak PERMANENTLY.

ACK...sorry I got off topic there for a moment. I'll try and get some actual pics of my seatpost and clamp, posted here tomorrow.

Linda