Kalloy Straight 26.6 x 300mm Clamp Style: 7/8" StraightDiameter: 26.6mmDiameter: 26.6mmMaterial: AluminumMax Height: 305mmOffset: 0mmOffset: 20mmSeatpost Color: SilverSeatpost Diameter: 26.6mmSeatpost Length: 300mmWeight: 158g