How does the size of the bar influence the effectiveness of a pull-up and the development of the related muscles? - Quora
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Bells of Steel Pull Up Bar Chin Up Bar - Pullup Bar Wall Mount - Ceiling Mount Pull up Bar - Strength Training Pull-up Bars - 32 mm Diameter Indoor Pull up
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Capital Sports Shadow Pull-Up Bar, Shadow and Light - Pull Up Bar Series, Home Training, Shadow Bar - Black, Powder-Coated Pull-Up Bar Made Wood and Steel Combination, 38 mm Diameter : Amazon.co.uk:
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