Weight training equipment storage rack system

A weight training equipment storage rack system for storing weight training equipment, comprising:

• a main frame including a self-supporting upright having a plurality of mounting holes formed therethrough and arranged along a center longitudinal axis of the self-supporting upright;
• and
• a plurality of hanging shelves, each including a fixing rod and an equipment storage unit, the fixing rod having a rod diameter adapted to a hole diameter of the mounting hole and having a rod length not less than a hole depth of the mounting hole, and the equipment storage unit being formed extending outwardly from the fixing rod for storage of the weight training equipment, wherein each hanging shelf is detachably mounted on the main frame by inserting the fixing rod into a selected one of the plurality of mounting holes for storing various weight training equipment in the respective equipment storage units of the hanging shelves,
• wherein the equipment storage unit is a kettlebell hanging tray or a dumbbell hanging holder, and
• wherein the weight training equipment storage rack system is configured to enable selective mounting, on the same main frame, of:
• (i) the hanging shelves with the kettlebell hanging trays,
• (ii) the hanging shelves with the dumbbell hanging holders, and
• (iii) the hanging shelf with the kettlebell hanging tray and the hanging shelf with the dumbbell hanging holder.