This quick release bike seatpost clamp is convenient and useful. And it can be adjusted on the way even without any other tools.Firm bicycle seatpost clamp has high strength and it is very safe to use. And you can install it easily.Made of high quality aluminum alloy material, it is sturdy and durable.Length of this seatpost clamp is 6cm, width is 4.6cm.This seatpost clamp is suitable for bike, MTB..Item Name: Seatpost ClampMaterial: Aluminum AlloyColor: Black, Red, Blue, Golden, TitaniumFeatures: Firm, Anti-fall, Wear-resistantSize Details: Size: 6cm x 4.6cm/2.36" x 1.81" (Approx.)Inner Diameter: 31.8mm/1.25" (Approx.)Suitable for Seatpost Outer Diameter: 27.2mm/1.07", 28.6mm/1.13" (Approx.)Notes:Due to the light and screen setting difference, the product's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Seatpost Clamp