Universally applicable: The inner tube has a width ranging from 1.75 to 2.125 inches. It is suitable for tires with a rim size of 12 to 20 inches and an outer tire width of 2.125 to 2.4 inches. It is applicable to the vast majority of children's bicycles on the market, such as RoyalBaby, Joystar, Schwinn, WEIZE, cubsala, etc
Comfortable riding experience: The inner tube can effectively buffer the bumps and impacts on the road surface, providing a smoother riding experience. It reduces the wear and tear on other components of the vehicle and enhances the comfort of the rider
High-quality and durable: The inner tube is made of butyl rubber, which features good abrasion resistance, aging resistance, and tear resistance. It can withstand various pressures during the vehicle's operation, thereby extending the service life of the tire.
Easy installation: The installation process is relatively simple. It doesn't require professional tools or complex techniques, so ordinary cyclists can replace it on their own, saving both maintenance costs and time
ALWAYS RELIABLE: RoyalBaby bike complies with the CPSC and EN-71 standards, and is trusted by millions of families from over 80 countries. Customers will be provided with high level warranty and local 24 hours service when contacting RoyalBaby for any queries.