Bare-metal ERG · web-native

True Watts in. Emotional Damage out.

A lean, unforgiving indoor-cycling player: control a smart trainer in ERG mode straight from the browser, hold a target that scales to your FTP, and log the receipt. No coddling, no rescue plan — just the work.

Start a ride Mock mode (no hardware)

Chrome/Edge desktop or Android only — Web Bluetooth doesn't run on Safari/iOS. Hardware bring-up tooling lives at /spike (development only).