craigslist seattle bike LISS Cardio
https://periodicos.ufpel.edu.br/ojs2/index.php/dissertatio/user/viewPublicProfile/203984
The best exercise bikes LISS cardio are less bulky than a treadmill or a crosstrainer, also it means you would swerve the journey to and from the gymnasium (time efficient for anyone who have hectic schedules)