Feature:1. 4 Different Spring Options: Offers 4 different spring options, allowing riders to choose the desired firmness based on their preferences. Each color corresponds to a different level of hardness.2. Aluminum Alloy: Made of high strength aluminum alloy, ensuring durability and maintaining excellent performance over time. Each axis is equipped with a DU copper sleeve for enhanced stability, smooth rotation, and noise reduction.3. Suspension Design: Provides a smooth ride, even during sudden braking, without compromising the riding position. Enhances safety and stability during off road and gravel cycling.4. 4 Link Structure: Allows the handlebar to maintain a floating state relative to the ground, keeping the tilt angle of the handlebar consistent during cycling. Control and steering remain unaffected.5. Bump And Vibration Dampening: Say goodbye to sore hands, wrists, back, and neck and say hello to increased control, more confidence, and a super smooth ride.Specification:Item Type: Bicycle Suspension Handlebar StemMaterial: Aluminum AlloyWeight: Approx. 683g / 24.1oz.Package List:1 x Bicycle Suspension Handlebar Stem3 x Springs1 x Instruction Manual2 x Hex Wrenches