airtek hiit air bike LISS Cardio
https://app.box.com/s/v2olfuhh7rf7jt9d4s43kfb6228lgrx9
Even the optimal/optimally exercise bikes LISS are less bulky compared to the usual treadmill or even some crosstrainer, plus so you'd swerve the travel to and out of the gymnasium (time efficient for all anyone