E-540 X1The perfect fit bike for fast growing kids E 540 Age: 7 11 years Height: 130 160 cms Ability Level: Able to ride with some developing skills. Stepping up in size with riding performance of the 10 out 10 model it's based. With weight savings and efficiency levels never seen before on a child's bike, the E 540 design is the easiest to ride childs bike of this size. The ergonomic design ensures a great fit and superb handling, our custom sized and shaped