Motivate kids to move with the Jetson Spark 2.0 Training Wheels. These training wheels are compatible with most kid-sized bikes with 12- to 20-inch wheels. Axle extenders are required for 20-inch wheels but are not included. These wheels have easy-to-attach steel brackets for lasting support and durability, while the bright lights make learning fun and help little ones be seen. Jetson Spark 2.0 Training Wheels Black - Bicycle Accessoriesories at Academy Sports
