My wife and I have been spinning a few times a week this winter, and we also did some last winter. We also have a Tour de France exercise bike at home for other workouts. We found last year that we were way ahead of the game in the spring when we started riding outside regularly. We were faster on our first ride than we were on the last ride of the previous season. So it really helps. This year the weather has been more friendly and we have ridden on all but 2 weekends. So hopefully we will be even better this spring.