- Widened and stable: The auxiliary wheels are widened to enhance stability and prevent rolling, providing a safe and balanced riding experience for 14, 16 and 20 inch children bicycles. - Magnetic luminescence: PU flash wheels feature magnetic luminescence to add a fun and vibrant glow. No batteries are required for the flashing effect, making it convenient and maintenance-free. - Quiet and comfortable: Made of thickened, wear-resistant PU material, the wheels deliver a quiet and smooth ride so children can enjoy their time riding without disturbance. - Easy to use: These training wheels are easy to install and use. They are compatible with a variety of children's bikes and can be quickly attached with no complicated installation steps. - Compatibility and performance: Designed for 14", 16", and 20" bikes, offering reliable support, stable performance, and durable materials for everyday use. - Use scenarios: - Beginners learning to ride: Provides extra stability and confidence for children starting out on 14", 16" or 20" bikes. - Family bike rides: Quiet, stable wheels reduce noise and disruption on sidewalks and parks, enabling longer, enjoyable rides. - Shared bikes in schools or camps: Quick attachment allows multiple bikes to be prepared and used with minimal setup. - Key attributes at a glance: Functionality (training wheels with stability), compatibility (works with 14", 16", 20" bikes), size (fits standard small wheels), material (thickened wear-resistant PU), and performance (quiet operation, battery-free glow).