Kalloy Straight Seatpost 27.2 x 300mm Silver Clamp Style: 7/8" StraightDiameter: 27.2mmDiameter: 27.2mmMaterial: AluminumMax Height: 305mmOffset: 0mmOffset: 20mmSeatpost Color: SilverSeatpost Diameter: 27.2mmSeatpost Length: 300mmWeight: 164g