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 Stem Material: Aluminum Alloy Weight: Approx. 683g / 24.1oz. Package List: 1 x Bicycle Suspension Handlebar Stem 3 x Springs 1 x Instruction Manual 2 x Hex Wrenches