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David B., Cyclist Racer

Like I had mentioned I’m an cyclist racer and have been competing for over 20 yrs .. And as I have gotten older I know we loose power .. I’m 47 and I climb a hill today .. Latigo canyon and I have to say the product I’ve already shaved 2 mins from climbing today last...

Kenneth B.

Dear Bas Rutten,I wanted to tell you how impressed I am with your O₂ Trainer. Since purchasing it, I have used it with my Krav Maga training. I have also used it with the Bas Rutten MMA Workout. What a challenging workout when combined with the O₂ Trainer!! I have...