Ritchey Logics Zero post provides no-slip saddle engagement and high adjustability by securing the rails with fore and aft bolts. Whether for a race rig or to finish off a custom build, the Ritchey Logic World Championship Series seatpost has supreme functionality packed into deceptively simple design. A more affordable option than its carbon counterpart the Ritchey WCS seatpost share most of its big brothers features. Ritchey Logics hallmark design lies in unmatched performance while remaining incredibly practical. A single side load bolt keeps the wide clamp together while reducing stress on the saddle rails and keeping the post secure. The Ritchey WCS seatpost is sure to draw attention from the most discerning of opinions.