Tom Jelen VO2max HIIT 6-rep High Torque: VO2max - 6x4min ~110% FTP @ 60-70 rpm Extended volume progression of the Hebisz & Hebisz (2024) HIIT protocol. Six 4-minute intervals at 110% FTP and 60-70 rpm, with 8 minutes easy recovery between each. 24 minutes of total VO2max work at low cadence. Seated throughout. bike