●Suitable Weight: 33.1 lbs (15 kg) and below ●Suitable for ages and heights/children under 1 years (12 months) and 4 years (48 months), height under 39.4 inches (100 cm) ●Compatible models: 20 or more city vehicles specified by the bicycle manufacturer and 2 infants passenger standards. (Including electric bicycles) (*Only for cars equipped with both stands. It is recommended to be installed on bicycles with handle stoppers. ) ●Handle diameter: 0.9 inches (22.2 mm); Handle post diameter: 0.9 inches (22 mm) to 1.1 inches (28.1 mm). *However, it may not be able to install depending on the shape of the diamond frame and handle ●Product Weight: Approx. 9.8 lbs (4.2 kg)