I have a 2009 Cervelo S1. A month after I purchased it, the bottom bracket ( I believe ) started creaking when I put more torque on the pedals. I had it cleaned and reassembled and it still creaked. Then it started popping and creaking. I had it cleaned (bottom bracket) and reassembled again. It is still creaking and popping to the point where I don't enjoy riding it. Cervelo said take it to a dealer to fix it. The closest one is a long drive. Has anyone encountered this problem on the 2009 model or any others?????