Sanrio is responsible for an entire range of Hello Kitty balance bikes, bicycles and bicycle parts. Sanrio has been creating smiles for over 40 years! At Sanrio, they believe that a gift is more than just a gift and Hello Kitty bikes are a good example of this. After all, how great is it to give your child a Hello Kitty bike as a present and to see them learn to ride a fun, high-quality bicycle? Sanrio: Small gift, big smile!