CNC process and hollow out design makes it lightweight while ensuring high strength. Aluminium alloy structure design ensures wear resistance and high hardness for excellent durability. It is constructed of aluminum alloy material. Compact design makes it easy to store and carry. It is suitable for bike. Item Name: Bicycle Stem Material: Aluminum Alloy Features: High Strength, Good Toughness, Wear Resistant Size Details: Front Fork Mounting Aperture: 2.86cm/1.13" (Approx.) Mounting Depth: 4.2cm/1.65" (Approx.) Hole Center Distance: 3cm/1.18" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Bicycle Stem