BikeErg Zone 2

2026-06-03· 유산소(Z2)· 완료 ·30분 ·arsenal

Imported from /Users/chaselee8811/arsenal Stronger::Coaching. 2026-06-03 Concept2 BikeErg Zone 2 30분 Codex import 2026-06-04. Source: chat correction. Raw log: Concept2 BikeErg zone2 30min. Theory context: recovery / aerobic base after 2026-06-02 lower-body session. Use RPE/breathing as primary intensity anchor because user reports unusually low HR response.