About this item Specification: the total length of Bike Fork Stem Extender is 160mm, upper diameter is 28.6mm, lower diameter is 25.4mm Material: Made of durable aluminum alloy, polished and anodized for strength, safety, and long-term use Easy to use: Connects to the original fork rod and converts threaded sleeve setup to threadless Application: Suitable for most bicycles with a 28.6mm unthreaded steerer tube Working principle: Increases handlebar height by extending the stem height Features: Front Fork Stem Extender - Color: Black - Material: Aluminum alloy - Size: Upper Diameter: 2.86cm / 1.1 inch, Lower Diameter: 2.54cm / 1 inch, Total Length: 16cm / 6.3 inch Notes: Due to lighting and screen setting differences, the item's color may vary slightly from the images Slight dimension variations of 1-3cm may occur due to manual measurement Package Includes 1 x Front Fork Stem Extender