Performance, Durability and Reliability The extremely durable BOUNDER Power Wheelchair is designed for the active individual. All models are configured with a rear wheel drive platform that provides stable operation in all driving conditions and have steel TIG welded frames that are built to last. The BOUNDER is ideal for persons needing a heavy duty chair that is functional in the home in addition to being very capable in outdoor driving conditions. Each BOUNDER is custom built with the user in mind, keeping in mind that no two power chair users are alike.