hsn exercise bike LISS Cardio
https://www.scribd.com/document/426386813/198190LISS-Cardio-Explained-in-Fewer-than-140-Characters
The optimal/optimally exercise bicycles Liss cardio are somewhat less bulky than the usual treadmill or some cross-trainer, and so you would swerve the travel to and out of the gymnasium (time efficient for those