Hell Machine Rowing Ergometer. The spin bike is just legs. Rowing is rather hard because it allows you to do a high-impact, full-body workout with your legs and hands.
Muscle building at home gym! (40s muscle building) > muscle building at home gym with irotech > Home Gym Layout, 4.5-tatami mat and 6-tatami mat installation > Hell Machine Rowing Ergometer. The spin bike is just legs. Rowing is rather hard because it allows you to do a high-impact, full-body workout with your legs and hands.