The PR-4100 is a folding wall-mount power rack that creates a functional workout space at home while taking up minimal space. The rack comes in two sizes: 21.5” deep (which folds in on itself to take up just 6” from the wall) and 41” (which folds left/right to take up 24” from the wall). This leaves plenty of space to park your car in the garage. The PR-4100 is compact yet incredibly sturdy, with 3x3” 11-gauge steel uprights and a capacity of 1,000lbs when properly mounted.
The rack is easy to use, with heavy-duty pull-pins that allow you to set up or fold up the rack quickly, and protective caps on the bottom of the uprights ensure a smooth setup and protect the floors. One-inch hole spacing through the bench press and pull area allows for more pinpointed barbell height. (Spacing is 2 inches elsewhere.) The PR-4100 has room to grow, too. It’s compatible with the Landmine Attachment, other J-cups, Spotter Arms, Dip Station, and the Drop-in Dip Attachment.
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Rack Upright Height92.3"
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Material3x3" 11-Gauge Steel
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21.5” Inside Length18.9"
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21.5” Inside Width42.1”
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21.5” Overall Width48”
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41” Inside Length37.4”
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41” Inside Width42.1”
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41” Overall Width48"
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Rackable CapacityWhen Properly Mounted, 1,000lbs
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Saves Space
The 21.5” design folds in on itself to take up just 6” from the wall, and the 41” options folds left/right to take up 24” from the wall. -
Attachments
Compatible with add-ons, such as landmine and dip attachments and other J-cup styles. -
Heavy-Duty
11-gauge steel rack is tough enough for movements like kipping pull-ups and muscle-ups. -
Hole Spacing
1” hole spacing through bench press and pull area allows for dialed-in liftoff height. -
Protective Caps
Caps on bottom of uprights ensures smoother setup and protects floors. -
Clevis Pins
Heavy-duty pull pins allow you to set up or put away the foldable rack quickly.
VIDEOS
- PR-4100 Folding Wall Mount Squat & Power Rack Assembly
PR-4100 Folding Wall Mount Squat & Power Rack Assembly
Step-By-Step Instructions
BLOGS
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You will need eight (8) M10x75 lag bolts and eight (8) M10 washers to mount the wooden stringers to the wall. Then use the eight (8) M16x80 bolts and eight (8) M16 washers to mount the brackets to the wooden stringer. To mount to a concrete wall, use the M10x90 expansion bolts provided in the hardware pack.
The rack does not come with a stringer. Your local hardware store should have a wood stringer available.
The “stringer” is the wood mounted onto the wall/studs that you affix the rack to. Create a stringer using two wooden pieces with the following dimensions: 2x10x56”. We also suggest eight (8) lag bolts and washers, M10x1.50, L75 to securely mount the stringers on studs.
Yes. Although there is minimal vertical play in the hinges, we recommend mounting the rack fully assembled in the folded position to ensure it doesn’t get stuck while folding it back in. Vice versa, you may want to start assembling it in the open position. Using a couple of ¼ shims under the uprights during assembly can help.
Technically yes, but we do not recommend using this attachment, as it could possibly lead to wall damage. The spacing of the brackets on the PR-4100 also limits the functional range of the ISO Arms .
7-8" with the bracket being 9.5” off the ground for optimal stability.
Yes, but we recommend the 41” depth option for people performing kipping pull-ups or muscle-ups because of the body movement (out/back or in/out). The built-in pull-up bar is 1.25”.
Yes. If you purchase the spotter arms, it is important to make sure the rack is properly secured into your wall, as the weight on the arms could possibly cause separation from the wall if the rack is not properly mounted.
No, the PR-4100 is not compatible with REP's Stringer.
Many attachments are available now and more are in development. A rack’s attachment ecosystem is one of the biggest reasons why you would choose one versus another. When you purchase a power rack, you’re buying into the company’s ability to come out with new attachments that add additional functionality over the life of your power rack. Our engineering team is hard at work developing new attachments every year, and we believe this is one of our biggest differentiators.
Here's a look at how REP equipment compares with others on the market. Plus, here are some things to consider when comparing power racks.
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