This rear seat from Polisport is ideal for carrying your child on the back of your bike. The rear seat features an ergonomic shape with increased lateral protection, adjustable footrests, integrated spoke shield and a reflective decal for added safety. The vents provide aerodynamic airflow, ideal when cycling without a child. The Joy is suitable for children from 9 to 22 kg. The luggage carrier attachment fits ISO 11243 racks with a width between 120 and 175 mm and a tube diameter between 10 and 16 mm. The frame attachment fits round and oval tubes with a diameter between 28 and 40 mm. The space required for mounting is 80 mm. The seats are approved according to the EN 14344 standard (TüV) and have a three-point belt with safety buckle. The footrests are height adjustable without tools and integrated foot protection prevents a foot from getting between the spokes. The ergonomically shaped armrests complete the design. Features: Increased lateral protection Adjustable 3 point harness (grow with your child) Childproof adjustable footrests in 4 positions 1 reflective sticker on the back Additional safety frame strap Raised foot protection prevents contact with the wheel Specifications: Color: dark gray Material: plastic Dimensions: 450 x 620 x 585 cm (WxHxD) Type of bike seat: rear Mounting: frame Mounting tubes: 28 to 40 mm (round and oval tubes) Frame mounting space: 80 mm Weight capacity: 9-22 kg Age: 9 months - 5 years Standard: EN 14344