SIDE BY SIDE
| FEATURE | POWER METER | SMART TRAINER |
|---|---|---|
| Works outdoors | Yes — every ride, any bike it's fitted to | No — indoor only |
| Works indoors | Yes — on rollers or a dumb trainer | Yes — primary use case |
| Cost (entry tier) | €350-500 single-sided | €500-800 direct-drive smart trainer |
| Cost (mid-tier) | €700-1100 dual-sided pedals or spider | €900-1400 premium smart trainer |
| Setup effort | Install once, forget it | Calibrate, maintain, pair every session |
| Structured workouts | Requires head unit and self-pacing | Erg mode handles pacing automatically |
| Data accuracy | Excellent outdoors and indoors | Excellent when calibrated |
| Portability | Travels with the bike | Stays at home |
| Best for year-round outdoor training | Clear winner | Complementary only |