Frog City 61 24 Inch(For subscription only read on more below about subscribed bikes) This 24 inch kids' Frog City Bike is the ultimate urban bike for 8 to 10 year olds with a recommended inside leg measurement of 57cm 74cm. This premium childrens city bike is designed for everyday use allowing kids to explore the city in comfort and style. It has a lightweight, aluminium step through frame, weighing just 9. 17kg making the bike easy to mount and dismount and manoeuvre