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. 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 1 x Bike Stem