VO2Max4x4 - VO2Max Dylan Johnson HIIT 2.a - CopyCycling48mTime55Stress0.83Intensity15PopularityAbout this workoutstillekrachtWorkout structure8 min @ 50-85% (50-85w)2 min @ 60% (60w)4X4 min @ 106% (106w)Rest 4 min @ 45% (45w)6 min @ 45-40% (45-40w)