Feature: 1. Aluminum Alloy: Made of high quality aluminum alloy material, it is durable and wear resistant. 2. Long Lasting: With standard size and enhanced hardness, it has longer service life. 3. Portable: Mini size and light weight, it is portable and suitable for outdoor and indoor use. 4. Great Replacement Tool: It is used for replacement and repair of the front fork riser, a must have tool for outdoor use. 5. Specification: The diameter of the upper tube is about 28.6mm / 1.1in, the diameter of the lower tube is about 39.8mm / 1.6in, and the vertical tube has a total length of about 241mm / 9.5in, which is installed behind the front fork shoulder cover. Specification: Item Type: Bike Front Fork Head Tube Material: Aluminum Alloy Product Color: As Pictures Shown Upper Tube Diameter: Approx. 28.6mm / 1.1in Upper Tube Length: Approx. 140mm / 5.5in Lower Tube Diameter: Approx. 39.8mm / 1.6in Total Length: Approx. 241mm / 9.5in Product Weight: Approx. 170g / 6.0oz. Package List: 1 x Bike Front Fork Head Tube Note: 1. Please allow 1‑2cm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.3. The exposed length is about 230mm / 9.0in (front forks of different brands are slightly different).