Rugged mobility device features a broad wheel base, adjustable high-low handlebars, and a caliper brake with a parking brake mechanism. A lower fixed-gear ratio make pedaling easier, allows the device to be reversed, and helps slow down speeders. Includes adjustable trunk support, adapted pedals, an adjustable extra-wide saddle seat, and push handle. Chain-Driven Tricycle. Scaled small to fit tiny bodies, the Imp includes adapted pedals, trunk support, and extra-wide padded saddle seat that adjusts 3 1/2" (9cm) backwards or forwards for correct positioning. The Imp measures 39 1/2"L x 25 1/2"W (100 x 65cm), and will accommodate children up to 70 lbs. (32kg) with an inside leg length of 12 1/2" to 15 1/2" (32-40cm). Accessories sold separately. See Pelvic Strap (#W39433), Leg Calipers & Foot Sandals (#W39438), and In-Line Trunk Support (#W39628).