Features1HYDRAULIC SYSTEM: Our bike dropper seatpost features a oil hydraulic system that provides high lubrication and superior smoothness in adjusting the seatpost height while riding. 2DOUBLE CLAMPING SYSTEM: The seatpost is designed with double clamping, which provides stable fixation for your seatpost while riding. It also makes adjusting the seatpost height easier and more comfortable than ever before. 3HIGH STRENGTH AND DURABILITY: The dropper post is made of 7075 aluminum alloy with an anodized golden finish. The tube is built to last and can resist the high stresses that come with cyclling. 4LOCKING SYSTEM: The bike post can be locked at any position to provide maximum comfort while riding up or downhill. The locking system provides a secure lock to ensure that the seatpost stays put without any wobbling. 5SEALED DESIGN: The bike tube comes with an sealed design that keeps water, dust, and mud away from the internal system, guaranteeing lubrication and protection for long lasting durability.SpecificationItem Type: Bike seatpostMaterial: Aluminium alloyWeight: Approx. 883g / 31.1ozProduct Size: 30.9x410mm / 1.2x16.1in Compatibility: Mountain bikes, For DH for FR for AM for XCPackage List1 x Bike Post1 x Manual4 x Remote Lockout Accessory