If you ordered the hex side port weight arm without the upgraded internal shaft, you have the choice of purchasing the upgraded internal shaft, or you can exchange the hex side port weight arm for the round side port weight when they arrive. If you have any questions, contact us.

If you would like additional guidance on installation or basic setup and use of your new unit, please feel free to contact us at info@bulletprooffitnessequipment.com or call us at 661-495-2072. We are happy to help!