8 ms·
have you tried zone-2 training? https://www.youtube.com/watch?v=-6PDBVRkCKc https://www.youtube.com/watch?v=-6PDBVRkCKc
by sergeym 1y ago
have you tried zone-2 training? https://www.youtube.com/watch?v=-6PDBVRkCKc https://www.youtube.com/watch?v=-6PDBVRkCKc