Specialized S-Works Pave SL Carbon Seatpost

" This is the first seatpost thats compliant AND aerodynamic-a total win, win. We initially developed the Pav seatpost for the all-new Roubaix, and itll make a fantastic addition to your Tarmac SL6. Of course, its also designed to make fine-tuning your saddle position a breeze with a single-bolt adjustable head and two setback options. S-Works Pav SL Carbon Seatpost"