The Worksman Adaptable Heavy-Duty Tricycle Series is the best-selling industrial cycles of all time. 1" main frame tubing is fully-lugged and hand-welded. 1/2" x 3/16" chains and sprockets. Rolled clincher rims (.060" thick) with 11 gauge spokes. Single-speed coaster (foot) brake hub and front drum brake. Available with platforms, wire or steel baskets and lockable steel cabinets. Other options include airless technology tires, welded steel wheels, 3-speed hubs and many safety and comfort upgrades. Made in America.