Inline 2:1 Doubler
Inline 2:1 Doubler Mount securely attaches your Beyond Power VOLTRA I to any standard 3x3 rack while providing a dedicated pulley arm for a block-and-tackle setup. This delivers a true 2:1 mechanical advantage, doubling the felt resistance of your VOLTRA I — up to 400 lbs.
Its slim, low-profile design allows it to fit
