Feature:1. CNC Machining: The product is processed by CNC, which is light in weight and does not decrease in strength.2. Material: Using aluminum alloy material, increased strength and hardness, anti corrosion and wear resistant.3. Four Colors: There are all black, black red, black green, black purple, you can choose the color as required.4. Stable Motion: Precise bearing rotation point for stable motion and durability, anodized color, anti oxidation, gloss retention.5. Polished Surface: The surface is polished, the hand feels are fine, and the button has a non slip texture.Specification:Item Type: Bicycle Lifting Seat Pipeline ControllerMaterial: Aluminum AlloyWeight: Approx. 92g/3.2ozInstallation Diameter: Approx. 22mm/0.9in.Package List:1 x Bike Lift Seat Pipeline Controller1 x Wire Core2 x Screw