J Squat
Sorinex

J Squat

Owned By: 7 gyms
#6 Most Owned Belt Squat Attachments
#261 Most Owned Rack Attachment
Average Rating: 4.33
Total Reviews: 1

Introducing the Sorinex JˣSquat™ attachment. An industry first. The first rack attached Jammer Arm belt squat. In the late 2000's, Sorinex introduced the first ever rack attached Jammer Arms that then evolved into the Adjustable Jammer Arms. Attach your JˣSquat™ attachment to fixed or Adjustable Jammer Arms and replace your big clunky belt squat machines with modularity, functional safety, and the most training options per square foot. The J Squat is the most versatile belt squat on the market giving you the most training options per sq. ft. with no platform required.

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J Squat Reviews

Based on 1 reviews from Gym Radar users, the Sorinex J Squat have an average rating of 4.33 out of 5. They're currently the #6 most-owned Belt Squat Attachments on Gym Radar, with 7 home gyms reporting ownership.

1 Review

4.33 / 5
Performance
5.00 / 5
Build Quality
5.00 / 5
Value
3.00 / 5

User Reviews

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RogueCrusher
mTor-ture Chamber
331 reviews
3470 points
(4.33)
2/23/2026
As with most Sorinex stuff, this is a tank. I didn’t have to spend as much on the entire setup because I just used my Rogue Trolley Arm to connect the actual JSquat mechanism to. This let me get even more “mileage” out of my trolley arms too. The kickstand is robust and the plate horns with their angulation and length let me stack plates without these of collars. It has the ability to mount wall or rack and have a pop-pin release when you want to bring it down to use it, but I have no space for that and need to use the front of my rack (it’s only a 4 post). It’s pretty pricey and the lead times can be slow with Sorinex.
Performance
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Build Quality

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