Bert 1/4/2026 08:32:00 No. 58395 [Open] [Reply] Actions Report Translate Thread... Hide Thread Translate... Hide Post >>/58389/ I watched the video, is this just for boomers who do 2 hours of riding a week > If you ride big volume you will have to do Z2 to not fatigue > If you are weak or don't ride big volume consider doing higher zones Yeah no shit