Sports & Outdoors > Exercise & Fitness > Strength Training Equipment > Pull-up Bars
Adjustable Doorway Pull Up Bar Home Exercise
Brand: Generic / OEM
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Audited BOM: 5 Components
RMA Chain & Defect Intelligence
Root cause causal graph linking factory engineering flaws to verified consumer return reasons.
⚡ Causal Link: Defect to Consumer Return
The insufficient steel tube thickness (COMP-001) is an engineering failure (ENG-001) that leads to the bar bending (RMA-003), as reported by users (REV-003).
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