BikeErg Zone 2
세트 기록 없음 (유산소 세션).
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.