Z&Uuml;M-CX Wood Balance Bike No Pedals or Training Wheels The ZM-CX Balance Bike is the ideal bike for kids 2-5 years old. Kids enjoy all the fun and excitement of learning to ride their first bike without the fear of falling! It has no pedals and no training wheels. The bike rider uses a foot to ground motion as if walking or running to move themselves and the bike forward. The ZM bike is perfect for learning balance, steering and developing coordination without the use of training wheels or other balance aids. By learning balance first, the transit