3x3 Sandwich J-Cups

3x3 Sandwich J-Cups

The PRx 3x3 Sandwich J-Cups bring the perfect combination of protection, durability, and versatility to your home gym setup. These J-Cups give you superior security for your barbell while protecting it from damage, keeping your gear in prime condition. Our 3x3 Sandwich J-Cups make it easier to unrack and re-rack your bar. These J-Cups won't slide side-to-side during use so every lift is safe and consistent.

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3x3 Sandwich J-Cups Reviews

Based on 1 reviews from Gym Radar users, the PRx Performance 3x3 Sandwich J-Cups have an average rating of 5.00 out of 5. They're currently the #78 most-owned J-Cups on Gym Radar, with 1 home gyms reporting ownership.

1 Review

5.00 / 5
Performance
5.00 / 5
Build Quality
5.00 / 5
Value
5.00 / 5

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New Colossus Gym
6 reviews
229 points
(5.00)
5/22/2026
I have had these about a year and mainly use them for bench press. I am a big fan of these. I was looking for sandwich J-Cups that would fit on my Rogue Monster Lite rack and were also less expensive than the Rogue sandwich options. I think these were on sale and they seemed worth a shot. Seems like they have more of their surface covered in plastic compared to a lot of other designs. Features I like: - More narrow than standard J-Cups - Full plastic coverage on J-cup - Recessed bolts holding the plastic on - Able to lock in place with a mag pin - UHMW on the front and back of the interior (not common on 5/8 rack attachments) - good size "landing area" which i prefer for bench press Note: I got the PRX mag pins, which I use to lock these in place. I usually use Fringe mag pins but they were too long to work for this. I wasn't sure how they would hold up and I have roughed them up a little bit in the past year - but they have held up as well as my other J-Cups (Rogue monster lite basic and Ghost Rollers)
Performance
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Build Quality

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