Grand Cru Long Setback SeatpostTwo-bolt style seat post (adjustment from the bottom). Generous offset/setback can be important for leather or other saddles that have short rails. Internally ovalized to reduce weight. Head is integral with the post - not pressed on - greater strength and weight savings. Max Height: 230mm. Weight: 301g. The post is made from one piece aluminum and is internally ovalized to trim some weight. Two bolt design. Item Specifications: Defined Color, Silver, Weight, 301, Offset (mm), 30.2, Diameter, 27.2, Max Height, 230, Color, Silver, Length, 300,.