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CoachingCOMPARISON

POWER METER VS HEART RATE MONITOR

QUICK VERDICT

Power is the gold standard — it measures output directly while heart rate measures response. But heart rate still has value for pacing easy rides, monitoring fatigue, and riders on a budget.

SIDE BY SIDE

FEATUREPOWER METERHEART RATE MONITOR
MeasuresWork output (watts)Physiological response (bpm)
Instant feedbackYesLags 30-90 seconds
Affected by fatigueNoYes (cardiac drift)
Affected by heatNoYes
Cost$200-600$30-80
Pacing valueExcellentGood for easy rides
Training zones7-zone Coggan model5-zone approximate

CHOOSE POWER METER IF

  • ✓Serious training with interval targets
  • ✓Event pacing
  • ✓FTP tracking and progression
  • ✓Anyone who can afford it

CHOOSE HEART RATE MONITOR IF

  • ✓Budget-conscious riders
  • ✓Monitoring Zone 2 easy days
  • ✓Detecting overtraining via resting HR
  • ✓Beginners learning intensity

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