Peg Perego Orion Front Mount Child Seat Fitting Can be installed on bicycle frames from 32mm to 52mm (1.3 - 2.0) One-Click: Installation An innovative installation system makes attaching and detaching the child bike seat to the bicycle frame quick and simple Adjustable Footrests Three position adjustable footrests lets the Orion grow with child Adjustable Harness Includes a 3-point safety harness that is adjustable in length. Specifications: Height 24.3" Length 17.7" Width 13" Weight 4.85 lbs Ages For children ages 12 months - 33 lbs.