Spotter Arms

Spotter Arms

Safely lift heavy and train to your max all by yourself with REP’s heavy-duty Spotter Arms. Easily and quickly attach these 24” long arms to your 4000 or 5000 Series power rack, and you can lift with confidence. These arms have a rackable capacity of 1,000lbs. They’re tough, made entirely out of steel. The main tube is 3mm thick, plus a support tube is 2mm thick, and an added 5mm gusset further improves strength. The arms are lined with molded polyurethane plastic that protects the upright, as well as wear and tear on your bar.

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Spotter Arms Reviews

Based on 16 reviews from Gym Radar users, the REP Fitness Spotter Arms have an average rating of 4.48 out of 5. They're currently the #2 most-owned Safeties on Gym Radar, with 72 home gyms reporting ownership.

16 Reviews

4.48 / 5
Performance
4.25 / 5
Build Quality
4.69 / 5
Value
4.50 / 5

User Reviews

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Scottsdale Garage Gym
Scottsdale Garage Gym
364 reviews
3553 points
(4.00)
5/16/2026
Nothing wrong with these at all. They didn’t fit on my PrX wall storage because of the design, so I sold and got the Titan X-3 version. Otherwise I’d have it.
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Andy Wang
Andy Wang's Gym
12 reviews
226 points
(5.00)
4/12/2026
Love these spotter arms. They fit my Iron Bull Strength rack very snugly (the hole size is slightly different, but the tubing size matches well) and feel extremely solid for barbell movements. I also use them along with a pad as a makeshift leg roller to hold my knees in place, and as a DIY preacher curl attachment. The latter works surprisingly well in my setup because the spotter arm can rotate, but is mostly stable due to the snug fit on my rack. As others have mentioned it is unfortunate that there is no hole for a magpin to fix it in place, but I haven't found this to be a huge issue for my purposes.
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Adam Wathan
West Galt Barbell
24 reviews
549 points
(3.33)
4/5/2026
These are ~fine but it's dumb that the mounting pin is inline with spotter arm, because it means the whole thing can rotate in place and there are no holes for pinning it in place with a mag pin or hitch pin. Doesn't really happen in practice, but over time as you slam things into the rack they do start to twist out of place. Missing UHMW in a lot of places that the bar can contact, and the UHMW is kinda ugly, cheap textured UHMW which doesn't affect performance but just doesn't look as nice as what Rogue uses for example. In this price range I think the Bells of Steel ones look like the most functional design, but the hitch pin hole on those probably won't line up properly on a metric rack like REP. Not as important with that design though because the welded pin is in a smarter spot and the spotter arm can't rotate around the pin.
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Big {little} Randy
Endor Strength and Conditioning
99 reviews
1200 points
(3.67)
3/30/2026
If you’re only using these spotters for their intended use then they do the job. However if you try to utilize the 1” holes along the length for things like lat pulldown leg holders then you’ll quickly realize the issues with these. There needs to be a place for a mag pin on the backside to keep them from rotating.
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Madkow
Madkow's Pasture of Gainz feat. The Grip Cave
4 reviews
294 points
(4.67)
3/9/2026
Fantastic spotter arms at a good price. I use them inside and outside of my rack. Good length to inspire confidence for squatting, and they are built like a tank. The opening that twists onto the upright is slightly tighter on one of them so its tight coming on and off, but I got them for a great price considering how heavy duty they are
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Big Mark
Eddington's Gym
489 reviews
4420 points
(4.00)
3/7/2026
REP Fitness Spotter Arms are ok but they are heavy, takes up a lot space on the uprights and cannot be pinned which allows it to turn on the uprights. Rep is supposed to be coming out with a newer low profile Spotter arms.
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Big Thomas B
Big Thomas B's Gym
272 reviews
2651 points
(5.00)
3/3/2026
Super Heavy duty build. Brought these with my PR-5000. I had not used much since I opted in favor of safety straps. However, with the install of the smith machine attachment, which obsoleted the straps, the spotter arms have made their way onto my rack. No performance concerns, these arms will handle anything thrown at them.
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Batz
Batz's Gym
46 reviews
473 points
(5.00)
2/28/2026
I have the PR 5000 version. They are big and heavier than they look. I honestly do not use them much, I also bought the safety straps and use them almost exclusively. These have UHMW on the top, and are long enough to be safe. I definitely don't have any worry with them. I don't have the rep smith, but I know this is an option for those wanting to do the smith near the front of the rack. These really only get used for some rare front of rack exercises or pin presses. Definitely no complaints on them!
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Brandon Cole
Brandon Cole's Gym
18 reviews
349 points
(5.00)
2/28/2026
Great pair of spotter arms and are very competitively priced. I use the 4000 series version on my rack for traditional spotting purposes, as well as a ba holder for open trap bar shrugs and standing EZ bar curls. They are well built and I haven't had any safety concerns or complaints. Great compliment to any compatible rack. Of note, minimum height will be limited on the front posts of any rack using the Ares 2.0 system due to the trolleys storing at the bottom. If you need a relatively low height, it may be worth it to you to spend the extra on a low profile arm.
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TurtleSpeed-Peyton
Turtle Speed Gym
136 reviews
1554 points
(5.00)
2/27/2026
Great spotter arms. I had these for my PR-4000 and liked to use them for heavy benching on the front rack posts. Front foot stabilizers kept everything steady until I got the Ares and Mutant Metals Snapbacks completed the heavy benching set up for training safely with no partner.
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