Spinervals Competition Series 3.0: Suffer-O-Rama
Let's face it. In order to become a faster cyclist, you have to endure discomfort in training and racing. In other words, you have to learn how to suffer!! Spinervals 3.0 - Suffer-o-Rama, will teach you how to suffer on the bike with 45 minutes of explosive power sprints and highly anaerobic sets. Brutal, but soooo effective!