Features: Premium high strength aluminum alloy bicycles seatpost delivers durability and weight saving performances. Features a 42cm length with sandblasted anodized surfaces treatments for scratch resistance, combining light weight construction (350g average) with reinforced structural support for stable rides. Ideal for mountain/commuters cyclists seeking reliability seatposts upgrades, particularly suited for riders equiring optimal saddle positioning. Perfect for commuting, trail adventures, and endurances cycling where vibrations dampening and secure height adjustment matter most during long distance journeys. Engineered with machined clamping systems and graduated measurement markings, this universals bike seat post ensures simple installation and millimeter precise height customization. Specifications: Color:Eight Choices Dimension: 42cm/16.54in Component:Aluminum Alloys Package Includes: 1pc bicycles seats tube note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.