On the Ukkie-Mee you can hang one of the famous children's chairs. The new positioning of the child seat creates more space for the input / step. Would you like over time the Ukkie-Mee no longer use, you can always mount the original steering wheel back. The Ukkie-Mee standard is suitable for a stem diameter of 22.2 mm. If the diameter of the stem 25.4 (thicker) is 22.2 instead, use the angled nut of the original steering wheel and a vulbus. - Type of bike: city bike (bicycle mother) - Type: Ukkie-Mee - Color black - Material: Steel - Diameter control: 22.2 to 25.4 mm - Handlebar width: 350 mm - Handle length: 19 cm