sportneer bike trainer LISS Cardio
https://www.scribd.com/document/426381546/26255710-Signs-You-Should-Invest-in-schwin-recumbent-exercise-bike-LISS-Cardio
Even the best stationary bicycles Liss cardio are less bulky than the usual treadmill or a crosstrainer, also it means you'd swerve the travel to and out of the gym (time-efficient for those with active schedules)