Bells of Steel SS4 Safety Squat Bar
The specialty bar most people should buy first — squat with your hands off the bar, and keep squatting through a shoulder that won’t rack.
Specs
| Shaft diameter | 1.26 in (32 mm) |
|---|---|
| Overall length | 86.61 in (2,200 mm) |
| Loadable sleeve length | 11.81 in (300 mm) |
| Max capacity | 1,500 lb (680 kg) |
| Tensile strength | 100,000 PSI |
| Knurl | Moderate |
| Center knurl | N/A — cambered yoke, not a straight shaft |
| Shaft finish | Black titanized |
| Sleeve finish | Black titanized |
| Sleeve assembly | Needle bearings and snap rings |
| Warranty | Limited lifetime |
These figures are copied from Bells of Steel’s own published specs and were last checked on 2026-08-31. Manufacturers revise products without notice, and variants differ. Confirm anything your decision depends on with Bells of Steel before you buy.
Choose this one if
- A shoulder, elbow or wrist stops you racking a straight bar comfortably
- You want to keep squatting on days when your upper body needs a break
- You do good mornings or lunges and want the load higher and more forgiving
The detail
A safety squat bar puts the load on a padded yoke across your shoulders with handles in front, so you squat without reaching back to grip a bar. That single change is why it is the specialty bar to own first: it keeps you squatting through shoulder, elbow and wrist problems that make a straight bar impossible, and those are the injuries that most often end a squat program.
The camber also shifts the load slightly forward and down, which makes the bar want to tip you forward. That is not a defect — it is why the SS4 is a genuinely different training stimulus rather than a comfort accessory. Your upper back works harder to stay upright, and most people find their first sessions noticeably humbling at weights they squat easily with a straight bar.
Two numbers to read carefully. The tensile strength is 100,000 PSI, well below the 190,000–205,000 of the straight bars here — but that comparison is misleading, because a safety squat bar is a thick 32 mm welded structure that is never asked to whip. The 1,500 lb capacity is the figure that matters, and it is higher than any straight bar on this site.
The loadable sleeve is 11.81 inches, notably shorter than a barbell's ~16. With thick training bumpers you will run out of room sooner than you expect, so this is a bar that pairs better with thin competition plates or iron than with wide bumpers.
Needle bearings on a squat bar are an odd inclusion — the sleeves barely rotate in use — but they cost nothing and do no harm.