Hyper Girls 30cm (12 Inch) Bmx Bike With Handle-cosmosThe Cosmos 30cm kids bike is designed specifically for young riders. With a wheel diameter of 30cm or 12 inches, this bike is suitable for children in the early stages of learning to ride. It features a durable frame, easy roll tires, and training wheels to provide a safe and enjoyable riding experience for kids. The smaller size and adjustable components make it easy for children to handle and build confidence as they develop their cycling skills.