The Strider 14x Sport will give your child confidence and riding skills, opening up a world of adventure at a young age. As two bikes in one, it sets a new standard as the best first bike for children 3-7 and creates the foundation for instant success. After your child has mastered riding the 14x as a balance bike, your little rider is ready to pedal. Quickly attach the and watch your child seamlessly transition to riding a pedal bike and accomplish this life-changing milestone! Refined through years of prototypes and tested by eager 3- to 7-year-olds, the 14x is truly the next evolution of Strider Balance Bikes. The Strider 14x has been designed to grow with your child (fits inseams 40 - 58 cm [16 - 23 in]), and the included Learn-to-Ride material puts you in control of the best process available for teaching your child to ride.