Source google image: http://www.fitness-cardio-training.com/exercices_cardio-training/velo/Photo_velo/course01.jpg
![](https://www.parti-du-velo.fr/wp-content/uploads/2017/03/course01.jpg)
Velo cardio training
Source google image: http://www.fitness-cardio-training.com/exercices_cardio-training/velo/Photo_velo/course01.jpg