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.
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Brutal, but soooo effective! Length: 45 minutes Difficulty level: 9.3