Unlike other similar products, the angle of the handlebar stem can be adjusted with ease. This product is suitable for most road bikes, MTB mountain bikes, foldable bikes, etc. Designed with many excellent characteristics, such as rust-proof, corrosion resistance, heat-resistance and high strength, our handlebar stem can be used for a long time. Easy to install, no need for other complex tools. It is constructed of aluminum alloy material. There are 5 different styles to choose from. This product is suitable for bike, MTB, road bike, mountain bike, and so on. Item Name: Bike Handlebar Stem Material: Aluminum Alloy Features: Rust-proof, Corrosion Resistant, Adjustable Size Details: Style A: Diameter: 3.18cm/1.25" (Approx.) Hole Center Distance: 8.5cm/3.35" (Approx.) Style B: Diameter: 3.18cm/1.25" (Approx.) Hole Center Distance: 10cm/3.94" (Approx.) Style C: Diameter: 3.18cm/1.25" (Approx.) Hole Center Distance: 12cm/4.72" (Approx.) Style D: Diameter: 2.54cm/1" (Approx.) Hole Center Distance: 10cm/3.94" (Approx.) Style E: Diameter: 2.54cm/1" (Approx.) Hole Center Distance: 12cm/4.72" (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 Bike Handlebar Stem