Kris Stallenberg 30-min Z2 (Endurance) Pushing #05 The focus here is not just power, but *how* you produce it. During this long, steady Z2 (Endurance) block, you will alternate between low and high cadence to improve pedaling efficiency. This develops neuromuscular pathways and muscular endurance, key components for a well-rounded cyclist as emphasized by the principles behind the Coggan Power Zones. Pay close attention to the on-screen prompts. bike