Max user weight: 80 pounds. With its three-wheeled, all-terrain mobility, the Dyno Transit Folding 3-Wheeler Stroller is a versatile, transit-friendly vehicle for children with a variety of disabilities. The lightweight design adds to its portability, and the compact size once folded eases the burden of traveling. ACTIVATOR® Dynamic Seating and RESPOND® Contoured Seating System team up to provide an ergonomic, posturally correct stroller comfortable enough for extended use..