How do the stack heights of the P1 and Single-Sided Pedals compare to other pedals? The stack height of the P1 and Single-Sided Pedal power meters are 14mm, which are about 3-5mm greater than some of the other popular pedal systems on the market. Related articles Where can I find parts drawings for my PowerTap power meter? Are the P1 pedals compatible with Garmin's cycling dynamics? P1S Upgrade Procedure