The perfect fit bike for fast growing kids A totally innovative bike - never before has a bike at this level offered so much dynamically, efficiently and safely. We have considered every component to increase strength and lower the overall weight. Features the super cool SRAM i-Motion 3 speed internal gears with a footbrake, and the incredibly lightweight ByK RGO frame. Just 11+kg. Ability Level: Confident rider, with the safety of internal gears and added footbrake.