BullWatt
🔥 TrendingFast, minimal watt-based indoor cycling training for FTMS-connected home trainers.
Free - Free to use in the browser; sessions saved locally in your browser. No account or server-side storage.
About BullWatt
BullWatt is a lightweight web app for watt-based indoor cycling. Connect an FTMS-capable smart trainer or bike to run structured training sessions with ERG mode for precise power control. Set your FTP, choose from a catalog of workouts, adjust power in real time, and export recorded rides as TCX. Sessions are stored locally in the browser — no account or server-side storage required.
Key Features
- Precise ERG mode: automatic resistance adjustments to maintain exact watt targets
- Lightning-fast, minimal UI for instant start with no loading delays
- Catalog of structured training sessions and FTP setup
- Connects to FTMS-compatible smart trainers via Bluetooth
- Export recorded sessions in TCX format; sessions stored locally in browser
Who is this for?
Cyclists using smart home trainers who want quick, watt-based structured workouts and precise ERG power control.
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FreeFree to use in the browser; sessions saved locally in your browser. No account or server-side storage.
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