Description: CNC Aluminum Construction: Crafted from CNC aluminum alloy, this wheel hub is lighter and stronger than the old, enhancing your scooter performanceEnhanced Acceleration and Fuel Efficiency: Designed to improve acceleration and starting efficiency, this wheel hub contributes to better fuel economy for Sprint 150 or Primavera 150Sturdy Anodized Finish: Featuring an anodized color with a clear coat, this wheel hub maintains its vibrant appearance without fading, even in harsh weather conditionsRust-Resistant in Any Weather Conditions: Engineered to withstand adverse weather, this wheel hub resists rusting, ensuring long term durability and reliabilityFit for Models: Specifically designed to fit Sprint 150 and Primavera 150 models, providing a seamless suitable for easy installation Specification: Material: CNC Aluminum Alloy Package Includes: 1xFront Disc Brake Wheel Hub Note: Please allow slightly errors 1-2cm or 0.39-0.79inch differences due to manual measurement.