50lb. Selectorized Weight Stack Upgrade Weight Set Arm and Biceps Invest in the KBX Xtreme

Invest in the KBX Xtreme Training Kettlebell Sets today and take the first step toward achieving your fitness goals—right from the comfort of your home

and durable steel frame

this high-performance gym attachment ensures smooth

Knurled grips ensure consistent handling during intense workouts

50lb. Selectorized Weight Stack Upgrade Weight Set Arm and Biceps Invest in the KBX Xtreme50lb. Selectorized Weight Stack Upgrade Weight Set SP50 Adds 50 Pounds to your existing stack Take your existing selectorized weight stack to a new level of performance! Fast and simple installation make this a must have for your selectorized plate load system. Upgrade stack does not include a top plate or selector rods or pin. Multiple upgrade stack configurations are available, as are premium plates. The Upgrade Stack cannot be used independently.