Description: 【Adjustable Angle】: This adjustable bike stem is made of quality aluminum alloy and is suitable for mountain bikes. Its adjustable design can improve your riding comfort and control 【Internal Cable Routing】: This mountain bike stem adopts internal cable routing design, which has a stylish and simple appearance, while protecting the cables from external factors, ensuring smooth and efficient riding 【Compatibility】: The road bike stem has a forward extension of 9cmx3.18cm/3.54inchx1.25inch and a 2.86cm/1.13inch diameter at the front fork, which is compatible for most mountain bikes 【Smooth Finish】: This mountain road bike stem adopts an elegant black finish, which not only enhances the beauty of the bike, but also resists wear 【Lightweight Design】: Weighing only 410 grams, this lightweight folding bike handlebar stem will not add unnecessary weight to your bike, while maintaining its sturdy structure to ensure reliable performance on all kinds of terrain Specification: Material: Aluminum Alloy Size Chart: Reach: 9cmx3.18cm/3.54inchx1.25inch Diameter at Front Fork: 2.86cm/1.13inch Package Includes: 1 Bike Stem Note: Please allow slightly errors due to manual measurement and different monitors.