Originally Posted by
rubic
Use a time signature for your breathing during long rides, or any ride except for sprinting or radical climbs. I use 5/4 time, inhale for 3 pedal strokes, exhale for 2. Adapt you internal music for this beat and the miles go by nicely.
This will never work for cycling unless you are always pedaling with a constant effort. Your O2 consumption (and hence breathing rate) varies with power output not cadence.