![Mayo Clinic - DAHLC on Twitter: "Whether you can ride indoor or outdoor, this 30 minute cycle workout is sure to get your blood pumping! For those of you without a bike, Mayo Clinic - DAHLC on Twitter: "Whether you can ride indoor or outdoor, this 30 minute cycle workout is sure to get your blood pumping! For those of you without a bike,](https://pbs.twimg.com/media/ETzoAKzWsAIsLjq.png)
Mayo Clinic - DAHLC on Twitter: "Whether you can ride indoor or outdoor, this 30 minute cycle workout is sure to get your blood pumping! For those of you without a bike,
Start Hard, Finish Hard! | 30 Mins HIIT Indoor Bike Workout | physical exercise, bicycle | Ready for a brutal training session? This one's called bookends, meaning it starts hard and finishes
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