Best Home Gym Gear
Round Grip String Bar

Titan Fitness

Round Grip String Bar

Buy Now · $154.97

Titan Fitness’s Round Grip String Bar is a dedicated thick-bar trainer built for strongman-style grip and forearm work rather than general lifting. A 3” round grip zone runs through the middle of an otherwise standard 80.5” bar, forcing the hands and forearms to work harder on pulls, rows, and presses – the smooth powder-coated finish (no knurling in the grip zone) is deliberate, so the difficulty comes from diameter alone rather than texture. At 47 lb with 14” loadable sleeves rated to 700 lb, it takes standard Olympic plates and scales with training weight like a normal barbell once loaded.

Buying guide

Best Barbell for Your Home Gym — July 2026
Model STRINGBAR
Finish Powder-coated black
Length 80.5"
Weight 47 lb
Material Alloy steel
Grip length 38"
Manufacturer Titan Fitness
Grip diameter 3"
Sleeve length 14"
Sleeve diameter 50mm (1.98")
Weight capacity 700 lb

What is a Barbell?

What a barbell is

The barbell is the center of a strength gym — the bar you squat, press, deadlift, and clean with. A men’s Olympic bar is 20 kg (44 lb) and 7.2 ft long (15 kg / 6.5 ft for women). The specs that matter: knurl (the grip texture — aggressive for pulls, milder for high-rep work), shaft diameter (28–29 mm for barbell lifts), sleeve rotation (bushings are fine for slow lifts; bearings spin fast for the Olympic lifts), tensile strength (~190k+ PSI resists bending), and coating (bare steel grips best but rusts; stainless and Cerakote trade grip for corrosion resistance).

Which one to buy

For general lifting, a multipurpose bar (28–28.5mm shaft, dual knurl marks, no center knurl) does squats, bench, deadlifts, and the occasional clean off one bar — this is the right first barbell for most home gyms. Choose a dedicated power bar (29mm, stiffer, aggressive center-knurl grip) only once you know you’re training squat/bench/deadlift specifically and want the stiffest, grippiest tool for that job. A dedicated Olympic weightlifting bar (needle bearings, more whip) is worth it only if you clean, snatch, or jerk regularly.

Beyond your main bar, specialty bars solve specific problems rather than replacing it: a safety squat bar shifts load off sore shoulders, a trap/hex bar takes stress off a cranky lower back on pulls, and a curl bar’s camber reduces wrist strain on isolation work. Add them once you know which problem you actually have.

How it compares

Round Grip String Bar Seal Row Bar Black Diamond™ Power Bar Northern Lights Black Oxide Olympic Bar
GymRadar rating 5.0/5 5.0/5 5.0/5 5.0/5
Price $154.97
Model STRINGBAR Black Oxide Olympic Bar
Finish Powder-coated black
Length 80.5" 86.6 in 86.5 in
Weight 47 lb 40 lb 20 kg (44.1 lb) 20 kg (44 lb)
Material Alloy steel
Grip length 38"
Manufacturer Titan Fitness Rogue Fitness Northern Lights
Grip diameter 3"
Sleeve length 14" 16.25 in (chrome)
Sleeve diameter 50mm (1.98") 50 mm 2 in (standard Olympic)
Weight capacity 700 lb

5.0/5 · 3 GymRadar reviews

Reviews by source

Expert 5.0/5 3 reviews

Titan’s Round Grip String Bar is a dedicated thick-bar trainer: a 47 lb, 80.5” bar with a 3” round grip zone and 700 lb-rated Olympic sleeves, aimed at grip and forearm work rather than general lifting. Functionality is the standout — owners consistently describe it doing exactly what a fat bar is supposed to do, meaningfully raising the difficulty of pulls, rows, and presses. Versatility is the weakest dimension: the 3” grip is thick enough that at least one owner couldn’t hold a normal deadlift grip and had to switch grip instead, and another said they reach for a standard or axle bar far more often once the novelty wears off. Independent coverage is thin — three GymRadar owner reviews and a couple of Amazon snippets, no full editorial teardown — so treat this as a niche accessory verdict, not an exhaustively tested one.

  • +Functionality: 3" grip meaningfully increases forearm/grip demand on pulls, rows, and presses — the core purpose of the bar (GymRadar owner reviews)
  • +Build quality: 47 lb powder-coated steel bar that owners describe as well-built and solid (GymRadar, Amazon)
  • +Value: attainable around $100 on sale, seen as a fair price for a dedicated grip trainer (GymRadar, Amazon)
  • +Functionality: 700 lb weight capacity with 14" loadable Olympic sleeves, so it scales with training weight rather than topping out early (manufacturer product page)
  • Versatility: the 3" diameter is too thick for some users to deadlift with — one owner needed a switch grip, which works against the point of grip training (Amazon)
  • Build quality: one Amazon reviewer called the machining "somewhat rough," even while judging it solid overall for the price
  • Versatility: niche tool that owners reach for less often than a standard or axle bar once the novelty wears off (GymRadar)
  • Durability: independent long-term coverage is thin — three GymRadar reviews and no editorial teardown, so durability over years isn't established

$154.97

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