PainCave.fit
Connect and ride in the browser, no login.

- Access
- Free
- Ride type
- Training
- Setup
- Chrome, Edge, Brave or Opera; Bluetooth trainer
The ride
Pair a trainer and heart-rate strap over Web Bluetooth, then ride built-in or imported .zwo workouts with ERG control. History stays local and rides export as .fit or .tcx.
Getting started
Open the site in a Web Bluetooth browser such as Chrome or Edge and connect your devices; no account is needed. iPhone and iPad browsers are not supported.