umit mirage l 20 jant 18 vites cocuk bisikletimit Mirage L 20 Inch 18 Speed Kids' Bicycle This model with a 20 inch frame does not include training wheels (side wheels) to allow the appropriate age group to learn how to ride a bicycle and have a comfortable ride. From mit Motion's children's bike series, the 20 inch size will be a favorite for children aged 5 8. Warning: Standard training wheels are not compatible with 20 inch and larger geared children's bicycles due to the gear mechanism; for