Velo Orange Grand Cru Long Setback Seatpost MKII: 30.2mm Setback, 27.2mm, 300mm, Black Two bolt design The post is made from one piece aluminum and is internally ovalized to trim some weight Generous offset/setback can be important for leather or other saddles that have short rails Head is integral with the post - not pressed on - greater strength and weight savings Internally ovalized to reduce weight