400mm Bike Seat Post Aluminum Alloy 30.9mm Diameter CNC Machined Bike Suspension Seatpost for

Feature: 1. Aluminum Alloy: The bike seat post is made of high strength aluminum alloy material, and it adopts lightweight design that has effective shock absorption. 2. CNC Integrated Molding: This bikr seatpost is CNC integrated molding, CNC accurate cutting, with high compression resistance, anti torsion, tough and firm without bending. 3. CNC Anti Skid Groove: The surface has CNC anti skid groove, with accurate thread, easier to lock, non slip and beautiful, strong texture, bright color. 4. With Ruler: The seat tube has a ruler for adjusting the height, the scale line is clear, and the installation is more clear. 5. Easy to Install: Each seat tube has a lower installation limit to ensure that the part below the installation safety line is completely inserted into frame seat tube. Specification: Item Type: Bike Seat Post Material: Aluminum Alloy Gross Weight: 663g/23.4oz Size: 30.9x400mm/1.2x15.7in. Package List: 1 x Bike Seat Post