KeyFeatures High-quality Materials: The steel frame and PC seat are corrosion-resistant, strong, rust-resistant, and drop-resistant. PVC surfaces are abrasion-resistant, waterproof, and scratch-resistant. High Safety: The wrap-around guardrail provides greater protection from falls. The matching belt enhances safety by securing the child to the seat. Position-adjustable Seat: Adjustment of the seat's position (2.6inch) on the rail is achieved by opening/closing a convenient quick buckle, which is very ideal for growing children. Two Mounting Options: Two fixing points on the seatpost and the lower bar of the bike frame, or the front handle bar and seatpost, allow you to arbitrarily choose according to your model. Strong Load-bearing Capacity: Two-point fixation, widened rail (1.9inch) and sturdy materials make this item have a strong load-bearing capacity of up to 220lbs, so that children can sit on it with confidence. Easy to Install&Use: The simple structure, complete package, and installation instructions make you need a few simple steps to complete the installation, which is very convenient. You can open the guardrail for easy seating up and down by pressing the red snap. Application It fits electric bikes, mountain bikes, bicycles, adult folding bikes, and other bikes with fixed bars on the front and back, and is suitable for children ages 8 months to 6 years old who weigh no more than 220 pounds. Specification Color: Black Material: Steel, PVC, Sponge, PC Style: Modern Load-bearing Capacity: 100kg/220lbs Applicable Age: 8 Months-6 Years Old Suitable Pole Diameter: >5cm/2inch Rail Width: 4.7cm/1.9inch Pedal Height Range: 20.5-28cm/8-11inch Rail Length: 58.5cm/23inch Seat Length: 31cm/12.2inch Seat Width: 27cm/10.6inch Seat Height: 29.5cm/11.6inch Seat Movement Range: 6.5cm/2.6inch Fixed Rail to Handrail Height: 20cm/7.9inch Package Size: 38.5*32*15cm/15.2*12.6*5.9inch Gross Weight: 3kg/6.6lbs Net Weight: 2.65kg/5.8lbs PackageIncluded 1* Child Bicycle Seat 1* Safety Belt 1* English Manual 1* Installation Tool Kit Notes 1.Please note that it can only be stably secured to bikes with poles less than 2inch in diameter, so please check the size before purchasing. 2.The distance between the seat and the font bar should be greater than 12.6inch. Please note that it is not suitable for bikes where the front bar's fixable height is not higher than 0.6inch and where both handlebars are facing inwards. 3.Please consider the actual sizes shown in the listing as the pictures are generally enlarged to show detail. 4.Please read the manual completely before installation and use, and pay particular attention to the safety instructions included.