Hub
W/kg and Power Zones Guide
Explains threshold-derived zones and why W/kg matters more on climbs than on flats.
Start here
Choose the right child guide for this cluster
W/kg and Power Zones Guide groups the most important pages in this cluster so riders can move faster from a vague problem toward a useful next step. Use this hub as both navigation and context: scan the summaries, open the child page that best matches your question, then continue into ftp / w/kg calculator when you are ready to act.
Power-to-Speed Guide
Shows how power; aerodynamics; weight; tyres; gradient; and weather influence speed.
Climb Time and Event Pacing Guide
Explains conservative pacing for climbs and events with links to fueling and intensity planning.
Next step
Turn this guide into your own fit setup
Use the free fit to connect these guidelines to your body, your bike, and the next change that actually matters.
Explore more
Explore next
Keep going with related guides and calculators that build on what you just learned.
Ftp Explained
Open the next relevant page in this guide library.
Power To Speed Guide
Open the next relevant page in this guide library.
Climb Time And Event Pacing Guide
Open the next relevant page in this guide library.
Endurance Bike Fit Guide
Open the next relevant page in this guide library.
Next step
Start with a free fit before you change anything major
Use the wkg and power zones guide guide to turn wkg and power zones into a practical next step for your riding or training plan.