3t stylus 0 pro inline alloy seatpoststylusis a fresh new take on the 2 bolt seatpost the transition from the pillar to the saddle clamp assembly is a finned rearward swoosh suggestive in shape of the classic one bolt posts of yore but the clamp bolts are deployed to either side of the saddle support cradle conferring greater stability and easier adjustment stylus 0 models place the seat clamp assembly in line with the seatpost for zero setback many athletes seeking outright speed favor th