ذو معنى فحم الكوك حاضر erg trainer ترتفع توضيح انها عديمة الجدوى
Revbox Erg Next Generation Stationary Cycle Trainer (video)
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ERG DB - Training Zones added to our Mobile Training App. Don't have a smart trainer or don't want to use ERG mode? Having zones makes it easy. | Facebook
Direto XR problems with ERG mode - Page 16 - Official Forum