strength durable construction: Made of solid steel and plastic material with extra thick steel for strength and hardness, designed to resist deformation or bending. Quiet, wear resistant performance: Both wheels are engineered to reduce riding noise and provide wear resistance for longer service life. Enhanced grip and safety: Both wheels are covered with thick PU rubber material to increase friction and reduce the risk of slipping and falling off. Stable balance and geometry: Installed on the side support of the rear wheel to form a classic stable triangle structure, helping to maintain balance during use. Simple installation on rear wheel side support: Designed to be mounted on the side support of the rear wheel of a children's bicycle, enabling stable triangle support for improved balance. Application and compatibility: Suitable for children's bicycles that use a side rear wheel support, providing enhanced stability and safer learning experiences. Usage scenarios Learning to ride and balance: Ideal for beginners who are learning to pedal and balance, offering steady support while they gain confidence. Daily rides on sidewalks and parks: Helps maintain stability on uneven pavement and reduces the risk of tipping or slipping during routine rides. Replacement or upgrade: Serves as a durable replacement or upgrade for worn stabilizers, helping extend the life of the bicycle and improve performance.