Lightweight portable auxiliary wheel that disassembles for easy carrying and storage. It functions as a caster wheel and wheel accessory for mowing equipment. Comfortable and convenient design: back and side hanging styles with an adjustable hand support frame height, delivering a comfortable mowing experience. Improved mowing efficiency: the integrated support frame and auxiliary wheel increase mowing efficiency and reduce operator effort, making lawn care easier. Durable and stable: built with high-strength materials for a stable and reliable operation. Suitable as lawn mower training wheels and as a replacement caster wheel for carts. Compatibility and use: versatile wheel accessory for compatible mowers; can serve as a replacement caster wheel for garden carts; suitable as lawn mower training wheels. Use scenarios - Attach to a mower for better balance and reduced fatigue during long mowing tasks on flat lawns. - Replace a caster wheel on a garden cart or similar equipment to restore stability and handling. - Use on uneven ground or small slopes to improve control and reduce strain during maintenance tasks.