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Description
Maximize the development of your aerobic base this post season with Coach Troy's 'Aero Base Builder' additions to the Spinervals Competition series.
These structured 'aerobic' intensity cycling workouts are designed to enhance your aerobic energy system and prepare your body for the harder, anaerobic training that will take your fitness to a new level!
Join coach Troy for this workout designed to improve your capillary density and mitochondria activity in the muscle, allowing more oxygen to reach your working muscles and be converted to energy for greater endurance during competition.
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Important Update for Our US Customers
We regret to inform you that due to ongoing challenges related to current US tariffs, shopping on Sigma Sports is temporarily unavailable for customers based in the United States.
We understand how disappointing this may be and sincerely apologize for any inconvenience caused. Please rest assured that we are actively exploring solutions to resume service and find the best way to support our US community.
We appreciate your patience and understanding during this time, and we look forward to welcoming you back as soon as possible.
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— The Sigma Sports Team