Brand new and high-quality Features: High quality: A sturdy and durable aluminum alloy handle extender that is not easy to loosen and is safer to use. Strong corrosion resistance, no rust, high toughness, and not easily deformed. Advantages: The bicycle pole extension provides additional stacked shims, allowing you to easily adjust the height of the pole by placing shims according to your needs. A great accessory for bicycle enthusiasts. Features: Suitable for bicycle forks with an inner diameter of 24.6mm to 25.4mm. The upright pipe can extend the forks by 5mm to 50mm, making it very suitable for mountain bikes, road bikes, and mountain bikes to lift the handlebars. Application: The valve stem riser can freely adjust the gasket according to your needs, effectively reducing waist pressure and making your riding more relaxed and comfortable. Specifications: Material: Aluminum alloy Length: approximately 122.5 millimeters/4.82 inches Height increase range: 5-50mm Note: Due to manual measurement, please allow an error of 0-1cm. Before you make a bid, please make sure you don't mind. Due to differences between different monitors, images may not reflect the actual color of the item. Thank you. The packaging includes: 1 bicycle pole stand pipe