Polarized announces Amacx Sports Nutrition as its official nutrition partner. Polarized builds your personal training plan, Amacx makes sure every workout comes with the right preparation and recovery. Polarized users get 10% off.
What hard means in a polarized plan, the six interval families, what the research shows, how many hard sessions a week, and 22 interval workouts with profiles and Zwift downloads.
What Zwift Cog and Click is, which trainers are compatible, what the Cog v2 and Click v2 change and what it costs, plus a free compatibility checker.
What zone 2 is in watts and heart rate, how long and how often to ride it, what it changes in your body, the grey-zone mistake, and all 21 zone 2 workouts in the Polarized app with profiles and Zwift downloads.
Most training apps are a calendar. Polarized spends its code on the gap between the plan and the ride: it rewrites your week, measures load the way your trainer does, and adds intensity back when time runs short.
The Big Weekend Sale (24 to 28 September 2026) is over. The Zwift Ride V2 with KICKR CORE 2 is back at list price, but 10% off still applies through our partner link: €1,079.99, £989.99 or $1,169.99.
Exclusive Zwift offer: 10% off the Wahoo KICKR CORE 2 plus a free Zwift Training Mat. €494.99 in the EU, £449.99 in the UK, until 30 September 2026.
Polarized 4.0 asks how you feel before you ride, shows your weekly training load in TSS, adds a cyclocross course and translates the app into Dutch and German.
Two smart frames, two bundles, and a EUR 200 gap that shrinks to about EUR 81 the moment Zwift discounts. Every specification side by side, the trainer comparison underneath, and a straight answer on which one suits which rider.
The Zwift Ride V2 lands with adjustable cranks, a wider fit range and the same price. Here is what changed, and whether a V1 owner should care.