Climber with a swivel handlebar unit

摘要

A climber includes a driven bar revolvably supported in an upright support frame on a base frame and turned back and forth when two pedal bars are alternatively stepped up and down, a swivel holder revolvably supported on the driven bar and spaced between the upright support frame and a control block at the top of the driven bar to hold a handlebar unit, and an adjustment bar mounted in the swivel holder and moved between a first position where the swivel holder is turned with the driven bar, a second position where the swivel holder can be freely turned about the driven bar, and a third position where the swivel holder is fixed to the upright support frame.