Feature: 1. High Intensity Aluminum Alloy: Constructed from high intensity aluminum alloy material, the short handlebar stem is CNC accuracy machined for a lightweight yet high strength frameless design, ensuring durability and performance. 2. Cushioning And Shock Absorption System: Featuring a cushioning and shock absorption system, the aluminum alloy bike stem effectively alleviates arm discomfort by smoothly filtering and mitigating vibrations from the road surfaces feedback, allowing for a comfortable riding experience. 3. Full CNC Machining Process: With a full CNC machining process, the ride mountain bike stem is meticulously crafted to guarantee strength and accuracy engineering, providing peace of mind during installation and usage. 4. Good Compatibility: This mountain bike stem is compatible with a wide range of bike models, including mountain bikes, road bikes, and touring bikes with a 28.6mm unthreaded front fork stem, offering versatility and convenience for various cycling needs. 5. Good Performance: Utilizing an anodized oxidation process, the adjustable bike stem is water resistant, anti slip, and resistant to rusting, ensuring long lasting performance and durability even in challenging riding conditions. Specification: Item Type: Bike Stem Material: Alloy Features: Cushioning Suspension, CNC, Lightweight Design Use: Road Bike, Mountain Bike, Touring Bike etc. 28.6 Unthreaded Fork Vertical Tube Universal Length: Approx. 125mm / 4.92in Handlebar Installation Diameter: Approx. 31.8mm / 1.25in Fork Installation Diameter: Approx. 28.6mm / 1.13in Shock Absorber Angle: 0-20° Shock Absorber Stroke: Approx. 22mm / 0.87in. Package List: 1 x Bike Stem