As our smallest mountain bike for girls the Tess 20 has an important job: introducing the next generation of girls to some of the most fun available on two wheels. And its definitely up to the task. We started with an ultra-durable steel frame to handle the punishment its sure to Endure as your little one perfects her techniques. Its equipped with adjustable brake levers and a 6-speed trigger shifter that are easy for kids to use and a derailleur Guard for protection. A suspension fork and wide tires add traction and control on rough pavement and dirt paths. This 02-1500030 fits riders 44"-54" Tall aged approximately 4-9 years old.