Kore ocd seatpostmanufactured from high grade 6000 series aluminium the twin bolt post has a 3d forged head for extra strength and a tapered bead blast finish tube to help weight and improve durability our twin bolt low profile head design makes for easy fine adjustment while reducing rail stress for use with 7mm or 8mm railed saddles featuresal6061 t6 w3d forged head 27 2 30 9m 316 diameters available zero offset design 350mm length bead blast black hrt graphics weight 293g272 buy ko