Key Features Build to Last: Its overall frame is made of steel pipe, which has excellent wear resistance, and impact resistance. High Stability: It features a dual-point fixation mechanism that securely attaches to the bike, significantly enhancing stability. High Load Capacity: The high-class materials and sturdy construction allow for a maximum load capacity of 176.37 lbs, making it comfortably accommodate children of various weights and ages. Easy to Use: The guardrail can be opened with a red buckle, making it convenient for children to get on and off the seat and preventing them from accidentally opening it. Adjustable Design: You can adjust the installation distance (15.35in, 16.53in, 17.71in) of the seat according to different bike models to make the installation easier and faster, while the height of the pedal (8.26-10.23 in) can also be adjusted to the right height according to your child's height. Application Its applicable age group is children around 1 to 5 years old. It is suitable for bicycles, electric bikes, ladies' leisure bikes, etc., where the parallel distance from the front of the seat to the handlebars is greater than or equal to 12.6 inches. Specification Material: Steel, Sponge, Plastic Color: Black Assembly Required: Yes Loading Capacity: 80kg/176.37lbs Applicable Age: Approximately 1 to 5 years old Adjustable Front-to-Back Distance of Seat: 39cm/15.35in,42cm/16.53in, 45cm/17.71 in Adjustable Pedal Height: 21-26cm/8.26-10.23 in Net Weight: 2.85kg/ 6.28 lbs Gross Weight: 3kg/ 6.61 lbs Seat Size: 34*32*32cm/13.38*12.6*12.6 in Package Size: 39*24*21cm/15.35*9.45*8.27 in Package Included 1* Bike Seat For Children 1* English Instruction All Accessories for Assembly Notes 1. Please check the product size carefully before purchasing. 2. Please note that the installation is not advised for mountain bikes and bicycles with a high-top tube.