E-250

Age: 2-5 years  |  Rider Height: 33-41 inches  |  Ability level: Learning to ride their first bike

E-350

Age: 3-6 years  |  Rider Height: 37-47 inches  |  Ability level: Able to ride or ready to ride

E-450

Age: 5-9 years  |  Rider Height: 43-54 inches  |  Ability level: Able to ride, developing major skills.