Team Sirius 7x Key Indoor Trainer sessions

I am thrilled to present 7 of Team Sirius's Key Windtrainer/Turbo sessions. These sessions can also be done outdoors. We use them all year long. As they aim to cover all the bases: strength/ endurance/ power/speed and threshold. They are fun, yet incredibly effective!! spice up your winter training. gain the advantage over your competitors and purchase a plan now!!

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