- Widened and stable design: The auxiliary wheels are widened to enhance stability and prevent rolling, providing a safe and balanced riding experience for children on 14, 16 and 20 inch bicycles. - Magnetic luminescence: The PU flash wheels feature magnetic luminescence for a fun and vibrant appearance. The flashing effect requires no batteries, keeping maintenance simple. - Quiet and comfortable: Made from wear resistant PU material, the wheels are thickened to reduce noise and deliver a smooth, silent ride for the child. - Easy to use and compatible: Simple to attach and use, these wheels are compatible with a variety of baby bikes and can be quickly installed without a complicated process. Suitable for 14, 16 and 20 inch bicycles. Use scenarios - Early riding on a 14 inch bike: Ideal for beginners learning balance on flat surfaces. The widened wheels provide extra stability to help prevent tipping and boost confidence. - Daily rides on a 16 inch bike: Great for regular neighborhood outings where pavement may be uneven. The stability and quiet operation reduce disruptions and make rides more enjoyable. - Family rides on a 20 inch bike: Suitable for longer outings with children learning independence. The magnetic luminescent wheels add a fun visual element while maintaining safety and balance.