【How-to】What size bike chain do i need

#415 chain is also known as #43, 083, and 1/2″ x 3/16″ chain. #415 chain has a 1/2″ center to center spacing between each pin, a 3/16″ spacing between inner links, and is approximately 7/16″ wide. Heavy-Duty #415 chain is best suited for motorized bicycles and tricycles, freight bicycles, and heavy-duty tricycles.