Allen Sports 2-child bike trailer & stroller. Lightweight steel construction trailer with durable quick-release 16" steel wheels. Safely and comfortably transports 2 children (up to 100 lbs. max load weight). Quickly converts from bicycle trailer to handy swivel-wheeled two-child stroller. A footguard tube protects passengers' feet, and a padded five-point safety harness comfortably holds your child in place. The folding design with quick-release wheels makes for easy transport and storage.