A double-stranded swing bike, it remained an ordinary bicycle structure, but its increase within a sprocket assembly, a flywheel and a chain, which is a shaft axis; also has a pulley , reset the chain around both sides of the tube and fixed in the next collision of two blocks of the crank device reset, a change in ordinary bicycle crank rotation, only for the swing movement, to overcome the ordinary bicycle crank rotation back in the air travel, while its cycling way more in line with the feet of people walking the usual habit, and it also enabled the rider to reduce physical consumption.