3t stilo 25 pro setback alloy seatpostthe 3t stilo 25 pro is a general purpose seatpost with a 25 mm setback fabricated in high strength al 7075 t73 alloy featuresshaft material al7075 t73 head materialal7075 t73 finish shot peened black anodized set back mm 25 bolts steel length mm 350mm diameter mm 27 2buy3t componentsfrom chain reaction cycles the worlds largest online bike store