Sell HOT Universal children's bicycle 12 "-20" balance auxiliary wheel silent flash training wheels best price

Product name: General purpose training wheels Material: high carbon steel + colored plastic auxiliary wheels Usage: Mounted on a 12-20 inch children's bicycle,No battery, no charge, no rotation Silent flash wear and skid resistance Applicable age: 2-12 years old This product is suitable for 12.14.16.18.20 inches children's bicycle.Bicycles, folding bicycles, no need to look at the size of children's bicycles.Important reminder;A car with no training wheels.Confirm that there is no redundant installation place of about 1CM on the side of the rear axle, if you don't know what to ask customer service;