Sorry, I was referring more to FEF(/EFE) drills of longer durations, say 40-40-40 or 50-50-50, to work on specific race parts perhaps. I.e., not as a top speed drill. You opinion on this, please?
Sorry, I was referring more to FEF(/EFE) drills of longer durations, say 40-40-40 or 50-50-50, to work on specific race parts perhaps. I.e., not as a top speed drill. You opinion on this, please?