Features:Long Service Life: The bicycle fork extension device is made of aluminum alloy with a sturdy and durable structure and is treated with polished anodizing.Widely Used: The bicycle fork pole increases the height of the handlebar by increasing the height of the bicycle pole suitable for mountain vehicles road bicycles and bicycles.Lightweight Design: The bicycle fork extension pole is lightweight and portable helping you reduce the burden of cycling. It is easy to install and can convert the threaded sleeve pole setting to unthreaded.Working Principle: After inserting the catheter the locking screw diagonal nut and catheter are misaligned due to the tilted opening resulting in expansion and achieving the function of tightening the inner wall.Practical: The bicycle fork adapter is wear-resistant durable and easy to install which helps improve the performance of the bicycle and makes it more comfortable for you to ride.Specifications:Material: Aluminium alloyColor: Solid colorLength: 160mmNotes:1. Due to the light and screen setting difference the item's color may be slightly different from the pictures.2. Please allow slight dimension difference due to different manual measurement. includes: 1 * Stem Riser Adapter