8 guides

Setup & Installation

Pairing, calibration, power accuracy, cassette fit and room layout for smart trainers and indoor bikes.

Smart Trainer Cassette and Freehub Compatibility Matrix
Which cassette, freehub bodies and axles each smart trainer takes, from manufacturer pages: KICKR, CORE 2, Elite Justo 2, Avanti, Rivo and Saris H3 Plus.
How to Set Up a Direct-Drive Smart Trainer: The Complete Guide
Set up a direct-drive smart trainer correctly: cassette or Zwift Cog, thru-axle adapters, bike mounting, Bluetooth/ANT+/Wi-Fi pairing, calibration, and.
Smart Bike Fit Guide: Match Your Outdoor Position Indoors
Set up a smart bike to match your outdoor bike. Measure saddle height, setback, reach, bar drop, crank length, and solve common indoor fit problems.
Bluetooth vs ANT+ vs Wi-Fi: Trainer Connections by Model
Which connections each smart trainer offers, which support Zwift virtual shifting, and how to get around Apple TV's three-connection Bluetooth limit.
How to Calibrate a Smart Trainer: Spindown, Auto-Calibration, and Model Rules
Learn when a smart trainer needs a spindown, auto-calibrates, or requires no calibration. Includes Wahoo KICKR, CORE, Tacx NEO, FLUX, and fault checks.
Smart Trainer Keeps Disconnecting from Zwift: Fix Order
Fix a smart trainer that drops out of Zwift: Zwift's own causes and fixes in the order to try them, split by symptom, with Bluetooth and ANT+ limits.
Smart Trainer Power Accuracy: What Reviewers Measured
What independent reviewers measured for smart trainers against power meters, why gaps appear, and a repeatable dual-recording test.
Zwift Cog Compatible Trainers: The Full List and Limits
Every trainer on Zwift's Ready and Cog-compatible lists with notes, what Cog cannot fit, and why virtual shifting needs Bluetooth or Wi-Fi, not ANT+.