The Cycling-Inform Store

Mental toughness is about learning how to tolerate discomfort. It is about training your mind to take your body to a new level. Spinervals 5.0 - Mental Toughness, is a 90 minute workout with the emphasis on steady state intervals. Video Preview. In the middle of the workout , you will actually hop off the bike and participate in a set of Isometric squats the ultimate 'mental toughness' developing drill. This is the ideal workout for those longer sessions necessary to develop high-end aerobic conditioning. A great addition to your Spinerval Video collection! Length: 90 minutes Difficulty level: 9.5