Data & metricsPower Zones — Why Coggan's Classic Model Isn't Always Optimal
Coggan's 6-7 zones from FTP work for most riders, but not everyone. Where rigid percentage boundaries diverge from your physiology, and what to do about it.
Data & metricsHeart Rate vs. Power — Why Beats Per Minute Alone Aren't Enough in Modern Training
Heart rate lags effort by 30–90 s and drifts with heat or caffeine. Power measures work instantly. When to use which?
Data & metricsWhy You Need a Power Meter and How to Choose One
Heart rate tells you how your body reacts, with a lag. Power tells you exactly what you're doing, in watts, right now. Here's how to pick your first one.
Data & metricsIs W/kg the Only Metric That Matters in Cycling?
W/kg rules on climbs, but on the flat absolute watts and aerodynamics decide, and in races — repeatability. When to look at what?
Data & metricsCycling Dynamics from Power Pedals — How to Read the Data
L/R balance, Power Phase, and Platform Center Offset explained with real Favero Assioma Pro MX data from a Garmin Edge 840 and Garmin Connect.
Data & metricsHow Cadence Affects Heart Rate and Fatigue — Better to Produce Watts With Speed or Force?
The same watts at 70 rpm and 100 rpm cost your body differently. How cadence shifts load between your cardiovascular system and your muscles, and what that means for training.
Data & metricsRamp Test vs 20-Minute FTP Test — Which One Should You Choose?
The two most popular FTP tests compared: protocol, pacing, repeatability and common mistakes. Find out which test fits your rider profile.