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B-Line Resistance Band Door Upgrade Kit - P90X, P90X3




  • The door attachment attaches your band to a doorjamb, so you can work out anywhere, anytime
  • Can replace need for Chin Up Bar as Adaptor used with Resistance Band can be used for alternated moves
  • The Sports Cardio Belt turns your band into a revolutionary treadmill, or use it
  • Plus, the B-LINES Safety and Instruction Booklet helps you get the most out of your resistance bands!
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