Peg Perego 10+ Rear Mount Child Seat For children ages 12 months - 40 lbs An innovative installation system makes attaching and detaching the child bike seat to the bicycle frame Quick and simple Includes a combination lock security system on the bracket to prevent theft A built-in suspension system & ABS (Automatic Barycenter System), gives child a fun and easygoing ride, no matter the terrain Safety straps, included on the adjustable footrests (13 positions), prevent contact with the wheel spokes