CORTEX 23kg Weight Stack Optional Upgrade Kit (SS3/GS7) RBK-26Q4MFF-AC The PolarBarrel’s spacious design allows

The PolarBarrel’s spacious design allows for full-body immersion

With just the twist of a dial burn those extra calories with 16 resistance levels to choose from

carabiners are compatible with a huge variety of additional handles

Made from PVC-free NBR foam

This set comes with 16 weight plates

CORTEX 23kg Weight Stack Optional Upgrade Kit (SS3/GS7) RBK-26Q4MFF-AC The PolarBarrel’s spacious design allowsTake your standard SS3 or GS7 Gym Stations to a whole new level with a 23kg Weight Stack Addon. Upgrade the standard 73. 5kg to a massive 96. 5kg weight stack, a must have for those looking to progress further. Please note, this weight stack upgrade reduces total range of motion of cable exercises due to increased stack height.