a mechanism for switching the wheels of baby stroller between a fixed - direction mode and a free steering mode by a far - end controller drives a positioning member through a connecting member . the positioning member is used to catch and fix the wheel seat of the stroller into the fixed - direction mode , and is also capable of releasing the wheel seat back into the freeing steering mode . the far - end controller enables a user to shift the mode of steering without bending down , and eliminates the need to suspend the front wheel while steering the baby stroller , in order to change direction .