Material: Folding Bike Handlebar Stem is made of metal, which is strong, light and wear resistant, ensuring reliable performance Adjustable design: Bicycle Stem adopts a high performance adjustable folding riser stem with teeth, which can be easily adjusted and enhance riding comfort Versatile use: Bicycle Riser Stem is suitable for lightweight electric scooters and is an ideal accessory for upgrading or repairing your riding equipment Easy to install and remove: Folding Stem is easy to install, quick to remove and convenient to use Included: Includes 1 Bicycle Accessories, which can immediately enhance your riding experience Size Chart:Bottom thickness 22.2cm/8.74inch Package Includes: 1 Folding Bike Handlebar Stem Note: Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. Thanks!