Introducing our Magnetic Luminous Children's Bicycle Auxiliary Wheel, the perfect accessory to help your little to ride a bike with confidence and stability our training wheels, your child will be able to enjoy the thrill of cycling while you have peace of mind knowing that they are safe and secure.Designed specifically for 16-inch bikes, our training wheels are also compatible with kids bikes of various sizes, including 20-inch and 18-inch bikes. No matter what bike your child has, our auxiliary wheels will provide the necessary support and balance they need to ride with ease.Style: Children's Flash Assist WheelColour: blueMaterial: Straight bar + flash assist wheelProduct features: full carbon steel bracket, metal paint, PU flash wheelDiameter:4.52 inchSpecifications：12、14、 16、 18、 20 inchApplicable age: 2-14 years old