The Abound Handrail was designed with high-quality aluminum construction and is designed to fit children from 5-10 years old. Features Black finish Specs Material made of aluminum Dimensions: L720mm - W610mm - H575mm Compatibility Compatible with original Abound electric bikes only NOT compatible with the Abound SR or Abound LR Compatible with the Thule Yepp Nexxt Maxi Rack Mount Child Seat, for riders of smaller proportions