OpenIQ
Devices
← Back
EF (Efficiency Factor) DataField
· v1.0.0
☆☆☆☆☆
(0)
↓ 100 downloads
4
Free
About
Real-time efficiency factor based on coach Joe Friel's theory.
Details
Compatible with 311 devices
Updated May 30, 2026
Open on apps.garmin.com ↗