THE SENTINEL - REP x PÉPIN Adjustable Dumbbell Arms

THE SENTINEL was designed to give REP x PÉPIN adjustable dumbbells the storage solution they should have had from the start.

Built from heavy-duty 3x3” 11GA steel tubing with 1” holes, these rack-mounted storage arms attach directly to most 3x3 1" hole squat racks and create a clean, secure, and elevated storage location for your adjustable dumbbells. No more storing them on the floor, balancing them on a plyo box, or fighting awkward re-racks after a heavy set.

Each arm is designed with an 85-degree angled layout, allowing the dumbbells to naturally settle back into the cradle. This helps make re-racking feel more intuitive while keeping the dumbbells positioned for easier access between sets.

The REP x PÉPIN cradle mounts directly to THE SENTINEL arms, creating a purpose-built setup that helps solve one of the most common issues with these dumbbells: plate sticking caused by uneven or unsupported storage surfaces. By keeping the cradle properly supported and positioned, THE SENTINEL helps make loading, unloading, and re-racking smoother and more consistent.

Designed for serious home gym owners, THE SENTINEL keeps your dumbbells off the ground, clears up valuable floor space, and brings your adjustable dumbbells to a much more natural working height.

Key Features

• Designed specifically around the REP x PÉPIN adjustable dumbbell cradle
• Mounts directly to 3x3” squat racks with 1” holes
• Built from 3x3” 11GA steel tubing
• Heavy-duty rack-mounted storage solution
• 85-degree angled arm design for a more natural re-rack
• Helps reduce common REP x PÉPIN plate sticking issues caused by poor storage surfaces
• Keeps dumbbells elevated, organized, and easy to access
• Ideal for garage gyms, basement gyms, and space-conscious home gym setups
• Clean gloss black powder-coat finish

Specifications

• Built from 3x3” 11GA steel tubing
• Heavy-duty gloss black powder-coat
• 11.5" W x 16.7" L Overall Dimensions 
  

Rack Clearance Dimensions

• 4.75" from upright to dumbbell (clearance for weight stacks - 1/2" spacer is available for free upon request for more optimal clearance for weight stacks with longer pins such as Rogue Indy)
• 18.5" BETWEEN dumbbells (upright bench storage between mounted dumbbells is no issue!)
• 18.25" from back of mounting upright to front of cradle (picture showing this example is featuring 16" crossmembers. Even on half rack configurations these do not protrude) 

What's Included

• Left SENTINEL Arm
• Right SENTINEL Arm
• 1" Rack Mounting Hardware

60-Day Return Policy

We accept returns within 60 days of delivery on unused items in their original condition. Returned items must be free from damage, modification, excessive wear, or signs of installation that would prevent resale.

Approved returns are subject to a 15% return/restocking fee, which helps cover return shipping, inspection, repackaging, and restocking costs. In the event of an approved return, we will provide the return shipping label.

Once the returned item is received and inspected, the refund will be processed to the original payment method, less the 15% return/restocking fee. Items that are damaged, altered, installed, or returned incomplete may be subject to a reduced refund or may not be eligible for return.