★Product specification: One set of training wheels for children's bicycle can be replaced, and 12-20 inch bikes can be replaced
★Excellent material: Made of high quality ABS hub and stainless steel, durable and reliable
★Applicable situation: For young students who are just beginning to learn to ride a bicycle, this training wheel is perfect to help them stabilize the body, master the balance, quickly master the riding technique, and find confidence in riding without training wheels in the future
★Easy to install: According to the installation instructions, adjust the training wheels to the hole position corresponding to the size of your bicycle hub